Page: 5 of 8
Section: 21 of 39 3821 Listings
Sections: | 21 Ly-Me | | 22 Me-Mo | | 23 Mo-Mu | |
24 Mu-Oa | | 25 Oa-Ot |
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Lyons Valley (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Lyons Valley | San Diego | valley | 324302N | 1164626W | - | Dulzura |
| Lyster Ranch | San Diego | locale | 324738N | 1164341W | - | Viejas Mountain |
| MacArthur Park | San Diego | park | 324612N | 1170054W | - | La Mesa |
| MacArthur Park Recreation Center | San Diego | park | 324611N | 1170053W | - | La Mesa |
| Mack Mine | San Diego | mine | 331616N | 1165628W | - | Boucher Hill |
| Mactati (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Madden Mine | San Diego | mine | 330417N | 1163345W | - | Julian |
| Maddox Park | San Diego | park | 325425N | 1170921W | - | Del Mar |
| Madero Ravine | San Diego | valley | 325143N | 1162641W | - | Mount Laguna |
| Madrid Manor Mobile Home Park (subdivision) | San Diego | pop place | 330917N | 1170733W | 695 | San Marcos |
| Magee Creek | San Diego | stream | 332211N | 1170318W | - | Pala |
| Magee House | San Diego | building | 330939N | 1172112W | - | San Luis Rey |
| Magee Park | San Diego | park | 330941N | 1172112W | - | San Luis Rey |
| Magee Trail | San Diego | trail | 332423N | 1170044W | - | Pechanga |
| Mahood Prospect | San Diego | mine | 324732N | 1163035W | - | Descanso |
| Maidenhair Falls | San Diego | falls | 331412N | 1162619W | - | Tubb Canyon |
| Main Branch San Diego Post Office (Est. 1849) | San Diego | post office | 324251N | 1170922W | - | Point Loma |
| Majestic Mine Group | San Diego | mine | 330453N | 1163457W | - | Julian |
| Malsionic Cemetery | San Diego | cemetery | 332329N | 1171421W | - | Temecula |
| Mandell-Weiss Eastgate City Park | San Diego | park | 325233N | 1171255W | - | Del Mar |
| Mandell-Weiss Eastgate Park | San Diego | park | 325233N | 1171255W | - | Del Mar |
| Mangalar Spring | San Diego | spring | 332516N | 1163109W | - | Bucksnort Mountain |
| Manzanita | San Diego | pop place | 324008N | 1161720W | 3508 | Live Oak Springs |
| Manzanita Indian Reservation | San Diego | reserve | 324524N | 1162025W | - | Sombrero Peak |
| Maple Lode Mine | San Diego | mine | 331926N | 1164556W | - | Palomar Observatory |
| Mar-Tar-Awa Campground | San Diego | locale | 325050N | 1164043W | - | Viejas Mountain |
| Maramoydos (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Marchettis Point | San Diego | cape | 324613N | 1171344W | - | La Jolla |
| Marcy Park | San Diego | park | 325043N | 1171335W | - | La Jolla |
| Marchant Ranch | San Diego | locale | 332655N | 1171506W | - | Fallbrook |
| Margarita | San Diego | locale | 331812N | 1172037W | - | Morro Hill |
| Margarita Lookout Tower | San Diego | tower | 332723N | 1172346W | - | Margarita Peak |
| Margarita Peak | San Diego | summit | 332639N | 1172322W | 3189 | Margarita Peak |
| Mariette Creek | San Diego | stream | 330552N | 1163710W | - | Julian |
| Marina View Park | San Diego | park | 323713N | 1170555W | - | Imperial Beach |
| Marina Vista Park | San Diego | park | 323445N | 1170653W | - | Imperial Beach |
| Marine Street Beach | San Diego | beach | 325013N | 1171650W | - | La Jolla OE W |
| Mariners Basin | San Diego | bay | 324552N | 1171451W | - | La Jolla |
| Mariners Cove | San Diego | bay | 324552N | 1171451W | - | La Jolla |
| Mariners Point | San Diego | cape | 324550N | 1171444W | - | La Jolla |
| Marion Bear Memorial Natural Park | San Diego | park | 325043N | 1171206W | - | La Jolla |
| Marion Bear Memorial Park | San Diego | park | 325043N | 1171206W | - | La Jolla |
| Marion Bear Natural Park | San Diego | park | 325043N | 1171206W | - | La Jolla |
| Marion Canyon | San Diego | valley | 332132N | 1170236W | - | Pala |
| Marmarosa (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Marron Canyon | San Diego | valley | 331046N | 1171753W | - | San Luis Rey |
| Marron Valley | San Diego | valley | 323401N | 1164620W | - | Otay Mountain |
| Marshal Scottys Playland | San Diego | park | 325031N | 1165257W | - | El Cajon |
| Marshall Park | San Diego | park | 331101N | 1172146W | - | San Luis Rey |
| Marshall South Home | San Diego | locale | 330003N | 1162307W | - | Earthquake Valley |
| Marshall Street Park | San Diego | park | 331101N | 1172146W | - | San Luis Rey |
| Marston Meadow | San Diego | flat | 325932N | 1163836W | - | Tule Springs |
| Marston Point | San Diego | summit | 324332N | 1170935W | 220 | Point Loma |
| Martin Luther King Junior Memorial Park | San Diego | park | 324159N | 1170330W | - | National City |
| Martin Reservoir | San Diego | reservoir | 332321N | 1171302W | - | Temecula |
| Martinez Ranch | San Diego | locale | 323305N | 1165858W | - | Otay Mesa |
| Mary Jo 841-002 Dam | San Diego | dam | 324248N | 1163830W | - | Barrett Lake |
| Mary Jo Dam | San Diego | dam | 324248N | 1163830W | - | Barrett Lake |
| Marys Grove | San Diego | woods | 325159N | 1161330W | - | Sweeney Pass |
| Mason Street School (historical) | San Diego | school | 324513N | 1171146W | - | La Jolla |
| Mason Valley | San Diego | valley | 325851N | 1162533W | - | Monument Peak |
| Mason Valley Truck Trail | San Diego | trail | 330028N | 1163054W | - | Julian |
| Masonic | San Diego | cemetery | 332329N | 1171422W | - | Temecula |
| Masonic Cemetery | San Diego | cemetery | 332329N | 1171421W | - | Temecula |
| Mast Park | San Diego | park | 325040N | 1165925W | - | El Cajon |
| Matagua Creek | San Diego | stream | 331350N | 1164245W | - | Warners Ranch |
| Matagua Ranch | San Diego | locale | 331120N | 1163822W | 3650 | Warners Ranch |
| Matagua Valley | San Diego | valley | 331345N | 1164145W | - | Warners Ranch |
| Mataguai Creek | San Diego | stream | 331350N | 1164245W | - | Warners Ranch |
| Mataguai Valley | San Diego | valley | 331345N | 1164145W | - | Warners Ranch |
| Matagual Creek | San Diego | stream | 331350N | 1164245W | - | Warners Ranch |
| Matagual Valley | San Diego | valley | 331345N | 1164145W | - | Warners Ranch |
| Mataguay (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mataguay Creek | San Diego | stream | 331350N | 1164245W | - | Warners Ranch |
| Mataguay Valley | San Diego | valley | 331345N | 1164145W | - | Warners Ranch |
| Matahuay (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Matajuiai (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Matamo (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Matmork La Puerta (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mathenson Park | San Diego | park | 324114N | 1171019W | - | Point Loma |
| Matthews 858 Dam | San Diego | dam | 332806N | 1171842W | - | Fallbrook |
| Maxton Brown Park | San Diego | park | 330956N | 1172105W | - | San Luis Rey |
| McAlmond Canyon | San Diego | valley | 323843N | 1164043W | - | Barrett Lake |
| McAlmond Ranch | San Diego | locale | 323920N | 1163642W | 2369 | Morena Reservoir |
| McCain Ranch | San Diego | locale | 324534N | 1162006W | - | Sombrero Peak |
| McCain Valley | San Diego | valley | 324020N | 1161410W | - | Jacumba |
| McClain Ranch | San Diego | locale | 325055N | 1164934W | - | Alpine |
| McClellan-Palomar Airport | San Diego | airport | 330741N | 1171649W | 328 | San Luis Rey |
| McGee Flat | San Diego | flat | 330147N | 1163851W | - | Santa Ysabel |
| McGee Park | San Diego | park | 330941N | 1172112W | - | San Luis Rey |
| McGinty Mountain | San Diego | summit | 324507N | 1165136W | 2183 | Alpine |
| McGonigle Canyon | San Diego | valley | 325701N | 1171133W | - | Del Mar |
| Meadow Natural Preserve | San Diego | park | 325822N | 1163320W | - | Cuyamaca Peak |
| Meadowbrook Mobile Home Park | San Diego | pop place | 325004N | 1170100W | 320 | La Mesa |
| Mecate Mountain | San Diego | summit | 323446N | 1164117W | 3885 | Tecate |
| Melejo (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mellor Ranch | San Diego | locale | 324248N | 1164608W | - | Dulzura |
| Melrose Ranch | San Diego | locale | 330949N | 1165812W | 1714 | Rodriguez Mountain |
| Memorial Community Park | San Diego | park | 324154N | 1170746W | - | Point Loma |
Section: 22 of 39
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Memorial Park | San Diego | park | 323819N | 1170450W | - | National City |
| Memorial Park | San Diego | park | 324154N | 1170746W | - | Point Loma |
| Memorial Park Recreation Center | San Diego | park | 324200N | 1170745W | - | Point Loma |
| Memory Gardens Cemetery | San Diego | cemetery | 330327N | 1165149W | - | Ramona |
| Mendenhall Valley | San Diego | basin | 331947N | 1165010W | - | Palomar Observatory |
| Merriam Mountains | San Diego | range | 331245N | 1170841W | - | San Marcos |
| Mesa Chiquita (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mesa Chiquita Ranch | San Diego | locale | 330933N | 1164318W | 3340 | Warners Ranch |
| Mesa Grande | San Diego | pop place | 331049N | 1164606W | 3230 | Mesa Grande |
| Mesa Grande (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mesa Grande Indian Reservation | San Diego | reserve | 330930N | 1164000W | - | Warners Ranch |
| Mesa Grande Truck Trail | San Diego | trail | 331202N | 1164816W | - | Mesa Grande |
| Mesa Verde Park | San Diego | park | 325421N | 1170836W | - | Del Mar |
| Mesa Viking Park | San Diego | park | 325535N | 1170808W | - | Del Mar |
| Mescal Bajada | San Diego | gap | 330704N | 1162024W | - | Whale Peak |
| Mescal Bajada Overlook | San Diego | locale | 330825N | 1162200W | - | Borrego Sink |
| Mesquite Oasis | San Diego | pop place | 325511N | 1161304W | 680 | Arroyo Tapiado |
| Metate Hill | San Diego | summit | 331308N | 1161710W | 480 | Borrego Sink |
| Meti (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mexican Canyon | San Diego | valley | 324444N | 1165427W | - | Jamul Mountains |
| Mica Gem Mine | San Diego | mine | 323834N | 1160723W | - | In-Ko-Pah Gorge |
| Michiyu (historical) | San Diego | pop place | n/a | n/a | - | San Clemente |
| Middle Fork Borrego Palm Canyon | San Diego | valley | 331742N | 1162750W | - | Borrego Palm Canyon |
| Middle Mesa | San Diego | summit | 325632N | 1161054W | 1080 | Arroyo Tapiado |
| Middle Mountain | San Diego | summit | 324735N | 1164203W | 2362 | Viejas Mountain |
| Middle Peak | San Diego | summit | 325849N | 1163557W | 5883 | Cuyamaca Peak |
| Middle Peak Loop Trail | San Diego | trail | 325810N | 1163611W | - | Cuyamaca Peak |
| Middle Ridge | San Diego | ridge | 331106N | 1165018W | 2682 | Mesa Grande |
| Middle Spring | San Diego | spring | 331224N | 1162526W | - | Tubb Canyon |
| Middle Willows | San Diego | flat | 332534N | 1162905W | - | Collins Valley |
| Mike Pier | San Diego | locale | 324120N | 1171410W | - | Point Loma |
| Mildred Falls | San Diego | falls | 330051N | 1164250W | - | Santa Ysabel |
| Milk Ranch | San Diego | locale | 325806N | 1163645W | - | Cuyamaca Peak |
| Milkwanen (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Miller Creek | San Diego | stream | 323903N | 1162429W | - | Cameron Corners |
| Miller Mountain | San Diego | summit | 333004N | 1172325W | 2953 | Sitton Peak |
| Miller Ranch | San Diego | locale | 324125N | 1162354W | - | Cameron Corners |
| Miller Valley | San Diego | valley | 324104N | 1162415W | - | Cameron Corners |
| Mills Crossing (historical) | San Diego | locale | n/a | n/a | - | Tierra del Sol |
| Mills Crossing Station (historical) | San Diego | locale | 323709N | 1161912W | 3640 | Tierra del Sol |
| Mine Canyon | San Diego | valley | 323412N | 1164646W | - | Otay Mountain |
| Mine Canyon | San Diego | valley | 330549N | 1162140W | - | Whale Peak |
| Mine Wash | San Diego | stream | 330809N | 1161945W | - | Borrego Sink |
| Mineral Hill | San Diego | summit | 325809N | 1163918W | 3495 | Tule Springs |
| Mineral Hill Mine | San Diego | mine | 325811N | 1164006W | - | Tule Springs |
| Minnewawa Truck Trail | San Diego | trail | 323650N | 1165027W | - | Otay Mountain |
| Minshall Trail | San Diego | trail | 325913N | 1163413W | - | Cuyamaca Peak |
| Mira Mesa | San Diego | pop place | 325456N | 1170835W | 440 | Del Mar |
| Mira Mesa Park and Recreation Center | San Diego | park | 325450N | 1170825W | - | Del Mar |
| Mira Mesa Post Office (Est. Nov. 13, 1976) | San Diego | post office | 325500N | 1170739W | - | Del Mar |
| Miramar | San Diego | locale | 325236N | 1171025W | 374 | Del Mar |
| Miramar | San Diego | pop place | 325337N | 1170703W | 510 | Poway |
| Miramar 8-011 Dam | San Diego | dam | 325450N | 1170622W | - | Poway |
| Miramar Reservoir | San Diego | reservoir | 325450N | 1170622W | 714 | Poway |
| Mission Indian Reservation | San Diego | reserve | 332200N | 1165800W | - | Boucher Hill |
| Mission Bay | San Diego | bay | 324645N | 1171400W | - | La Jolla |
| Mission Bay Park | San Diego | park | 324621N | 1171346W | - | La Jolla |
| Mission Beach | San Diego | pop place | 324657N | 1171505W | 10 | La Jolla OE W |
| Mission Beach Park | San Diego | park | 324649N | 1171509W | - | La Jolla OE W |
| Mission Bay City Park | San Diego | park | 324621N | 1171346W | - | La Jolla |
| Mission Dam and Flume (historic landmark #52) (1816) | San Diego | dam | 325031N | 1170223W | - | La Mesa |
| Mission Dam and Flume Historic Site (historic landmark #52) (1816) | San Diego | locale | 325031N | 1170223W | - | La Mesa |
| Mission del Magnolia Mobile Home Park | San Diego | pop place | 325030N | 1165754W | 360 | El Cajon |
| Mission Gorge | San Diego | valley | 324844N | 1170412W | - | La Mesa |
| Mission Gorge Villa Mobile Home Park | San Diego | pop place | 325002N | 1170038W | 350 | La Mesa |
| Mission Heights Park | San Diego | park | 324628N | 1171000W | - | La Jolla |
| Mission Hills | San Diego | pop place | 324510N | 1171110W | 260 | La Jolla |
| Mission Hills and Calvary Pioneer Memorial Park | San Diego | park | 324456N | 1171058W | - | Point Loma |
| Mission Hills Park | San Diego | park | 324456N | 1171058W | - | Point Loma |
| Mission Indian Reserve | San Diego | reserve | 332200N | 1165800W | - | Boucher Hill |
| Mission Mountain | San Diego | ridge | 331215N | 1172058W | - | San Luis Rey |
| Mission Of San Luis Rey (historic landmark #239) (June 12, 1798) | San Diego | church | 331359N | 1171909W | - | San Luis Rey |
| Mission Point | San Diego | cape | 324542N | 1171443W | - | La Jolla |
| Mission San Antonio De Pala | San Diego | church | 332157N | 1170427W | - | Pala |
| Mission San Diego (historic landmark #242) (August 1774) | San Diego | church | 324705N | 1170619W | - | La Mesa |
| Mission San Diego De Alcala (historic landmark #242) (August 1774) | San Diego | church | 324705N | 1170619W | - | La Mesa |
| Mission San Luis Rey (historic landmark #239) (June 12, 1798) | San Diego | church | 331359N | 1171909W | - | San Luis Rey |
| Mission San Luis Rey De Francia (historic landmark #239) (June 12, 1798) | San Diego | church | 331359N | 1171909W | - | San Luis Rey |
| Mission San Pablo - Clairemont | San Diego | church | 324956N | 1171159W | - | La Jolla |
| Mission Trail | San Diego | trail | 332213N | 1165815W | - | Boucher Hill |
| Mission Trails Regional Park | San Diego | park | 324709N | 1170251W | - | La Mesa |
| Mission Valley | San Diego | valley | 324537N | 1171243W | - | La Jolla |
| Missile Park | San Diego | park | 324950N | 1170749W | - | La Jolla |
| Mitchell Camp | San Diego | locale | 332343N | 1164058W | - | Beauty Mountain |
| Mobile Haven Mobile Home Park (subdivision) | San Diego | pop place | 330740N | 1170444W | 655 | Valley Center |
| Mobile Park West Mobile Home Park (subdivision) | San Diego | pop place | 330841N | 1170223W | 700 | Valley Center |
| Mocogo Ranch | San Diego | locale | 323749N | 1164736W | - | Dulzura |
| Mokaskel (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mole Pier | San Diego | locale | 324009N | 1170716W |
- |
National City |
| Mole Pier | San Diego | locale | 324243N | 1171039W | - | Point Loma |
| Mole Pier | San Diego | locale | 324245N | 1171029W | - | Point Loma |
| Mollusk Wash | San Diego | stream | 325939N | 1160939W | - | Arroyo Tapiado |
| Monkey Hill | San Diego | summit | 331359N | 1164340W | 2875 | Warners Ranch |
| Monkey Hill | San Diego | summit | 332416N | 1162758W | 1640 | Collins Valley |
| Monserate Mountain | San Diego | summit | 332220N | 1170852W | 1567 | Bonsall |
| Monte Tunnel (historical) | San Diego | tunnel | 325158N | 1165313W | - | El Cajon |
| Monte Vista Ranch | San Diego | locale | 324500N | 1165622W | - | Jamul Mountains |
| Monterey Heights County Park | San Diego | park | 324328N | 1170154W | - | National City |
| Monterey Heights Park | San Diego | park | 324328N | 1170154W | - | National City |
| Montezuma Mine | San Diego | mine | 331351N | 1163329W | - | Ranchita |
Section: 23 of 39
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Montezuma Park | San Diego | park | 324608N | 1170338W | - | La Mesa |
| Montezuma Valley | San Diego | valley | 331249N | 1163253W | - | Ranchita |
| Montgomery County Park | San Diego | park | 323442N | 1170408W | - | Imperial Beach |
| Montgomery Field | San Diego | airport | 324857N | 1170825W | 423 | La Jolla |
| Montgomery Memorial (historic landmark #711) (1883) | San Diego | n/a | n/a | n/a | - | n/a |
| Montgomery Waller Community Park | San Diego | park | 323442N | 1170408W | - | Imperial Beach |
| Montgomery Waller Recreation Center | San Diego | park | 323457N | 1170400W | - | Imperial Beach |
| Monument Peak | San Diego | summit | 325333N | 1162510W | 3271 | Monument Peak |
| Monument School (historical) | San Diego | school | 323236N | 1170459W | - | Imperial Beach |
| Monument Trail | San Diego | trail | 325452N | 1163450W | - | Cuyamaca Peak |
| Moody Canyon | San Diego | valley | 323328N | 1170225W | - | Imperial Beach |
| Moonglow Mobile Home Park (subdivision) | San Diego | pop place | 330647N | 1170630W | 640 | Escondido |
| Moonlight Canyon | San Diego | valley | 325656N | 1161744W | - | Agua Caliente Springs |
| Moonlight State Beach | San Diego | park | 330253N | 1171746W | - | Encinitas |
| Moosa Canyon | San Diego | valley | 331707N | 1171258W | - | Bonsall |
| Mootaeyuhew (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Mora Hill | San Diego | summit | 331800N | 1171609W | 942 | Morro Hill |
| Morena | San Diego | pop place | 324651N | 1171225W | 15 | La Jolla |
| Morena 8-005 Dam | San Diego | dam | 324106N | 1163300W | - | Morena Reservoir |
| Morena Butte | San Diego | summit | 324025N | 1163233W | 3919 | Morena Reservoir |
| Morena Creek | San Diego | stream | 324135N | 1163140W | - | Morena Reservoir |
| Morena Dam | San Diego | dam | 324106N | 1163244W | 3052 | Morena Reservoir |
| Morena Lake | San Diego | reservoir | 324106N | 1163244W | 2954 | Morena Reservoir |
| Morena Reservoir | San Diego | reservoir | 324106N | 1163244W | 2954 | Morena Reservoir |
| Morena Valley | San Diego | valley | 324133N | 1163127W | - | Morena Reservoir |
| Morena Village | San Diego | pop place | 324046N | 1163015W | 3200 | Morena Reservoir |
| Moreno | San Diego | pop place | 325224N | 1165527W | 420 | El Cajon |
| Moreno Valley | San Diego | valley | 325216N | 1165515W | - | El Cajon |
| Morettis (historical) | San Diego | pop place | 331158N | 1164234W | 2760 | Warners Ranch |
| Morettis Junction | San Diego | pop place | 331158N | 1164234W | 2760 | Warners Ranch |
| Morgan Hill | San Diego | summit | 332159N | 1165506W | 5590 | Boucher Hill |
| Morgan Hill | San Diego | summit | 332211N | 1165515W | 5640 | Boucher Hill |
| Morley Field | San Diego | area | 324412N | 1170818W | - | Point Loma |
| Morris Ranch | San Diego | locale | 325011N | 1162540W | - | Mount Laguna |
| Moro Hill | San Diego | summit | 331800N | 1171609W | 942 | Morro Hill |
| Morro Hill | San Diego | summit | 331800N | 1171609W | 942 | Morro Hill |
| Mortero Canyon | San Diego | valley | 324640N | 1160637W | - | Carrizo Mountain |
| Mortero Palms | San Diego | pop place | 324309N | 1160903W | 2000 | Jacumba |
| Morteros | San Diego | locale | 330025N | 1162234W | - | Earthquake Valley |
| Mother Grundy Peak | San Diego | summit | 323901N | 1164425W | 3076 | Barrett Lake |
| Mother Grundy Truck Trail | San Diego | trail | 323941N | 1164529W | - | Dulzura |
| Mother Miguel Mountain | San Diego | summit | 324105N | 1165747W | 1527 | Jamul Mountains |
| Mount Acadia Park | San Diego | park | 324844N | 1171044W | - | La Jolla |
| Mount Ararat | San Diego | summit | 331708N | 1171026W | 891 | Bonsall |
| Mount Brundage Park | San Diego | park | 324845N | 1171111W | - | La Jolla |
| Mount Etna Park | San Diego | park | 324920N | 1171124W | - | La Jolla |
| Mount Kelly | San Diego | summit | 330948N | 1171916W | 340 | San Luis Rey |
| Mount Gower | San Diego | summit | 330059N | 1164542W | 3103 | Ramona |
| Mount Gower Open Space Preserve | San Diego | park | 330112N | 1164650W | - | Ramona |
| Mount Helix | San Diego | pop place | 324607N | 1165850W | 410 | El Cajon |
| Mount Helix | San Diego | summit | 324601N | 1165857W | 1373 | El Cajon |
| Mount Helix Lake | San Diego | reservoir | 324618N | 1165905W | 854 | El Cajon |
| Mount Helix Reservoir | San Diego | reservoir | 324618N | 1165905W | 854 | El Cajon |
| Mount Hinton | San Diego | summit | 330900N | 1171521W | 587 | San Luis Rey |
| Mount Hope (subdivision) | San Diego | pop place | 324251N | 1170624W | 160 | National City |
| Mount Hope Cemetery | San Diego | cemetery | 324236N | 1170643W | - | National City |
| Mount Kelly | San Diego | summit | 330948N | 1171916W | 340 | San Luis Rey |
| Mount Laguna | San Diego | pop place | 325220N | 1162503W | 5960 | Mount Laguna |
| Mount Laguna Post Office (historical) (summers 1930-1934) | San Diego | post office | n/a | n/a | - | n/a |
| Mount Laguna Post Office (Est. Nov. 1, 1930) | San Diego | post office | 325211N | 1162456W | - | Mount Laguna |
| Mount Marron | San Diego | summit | 330844N | 1171459W | 560 | San Marcos |
| Mount Olivet Cemetery | San Diego | cemetery | 323407N | 1170514W | - | Imperial Beach |
| Mount Olympus | San Diego | summit | 332439N | 1170606W | 2224 | Pechanga |
| Mount Palomar | San Diego | summit | 332148N | 1165007W | 6140 | Palomar Observatory |
| Mount Palomar Observatory | San Diego | locale | 332116N | 1165138W | - | Palomar Observatory |
| Mount Soledad Memorial Cross | San Diego | pop place | 325023N | 1171437W | 800 | La Jolla |
| Mount Tecate | San Diego | summit | 323446N | 1164117W | 3885 | Tecate |
| Mount Tule | San Diego | summit | 324205N | 1161336W | 4647 | Jacumba |
| Mount Van Dam | San Diego | summit | 325715N | 1170442W | 1038 | Poway |
| Mount Whitney | San Diego | summit | 330632N | 1170916W | 1736 | Rancho Santa Fe |
| Mount Woodson | San Diego | summit | 330031N | 1165811W | 2894 | San Pasqual |
| Mount Woodson 1044 Dam | San Diego | dam | 330106N | 1165754W | - | San Pasqual |
| Mountain Empire School (historical) | San Diego | school | 324429N | 1162839W | - | Cameron Corners |
| Mountain Meadows | San Diego | flat | 330049N | 1163712W | - | Julian |
| Mountain Palm Spring | San Diego | area | 325146N | 1161336W | - | Sweeney Pass |
| Mountain Palm Springs | San Diego | spring | 325151N | 1161357W | - | Sweeney Pass |
| Mountain Palm Springs Area | San Diego | area | 325146N | 1161336W | - | Sweeney Pass |
| Mountain Palm Springs Campground | San Diego | locale | 325151N | 1161358W | - | Sweeney Pass |
| Mountain Shadows Ranch | San Diego | locale | 324415N | 1164855W | - | Dulzura |
| Mountain Spring | San Diego | locale | 324025N | 1160628W | - | In-Ko-Pah Gorge |
| Mountain Spring | San Diego | spring | n/a | n/a | - | n/a |
| Mountain Springs County Park | San Diego | park | 324029N | 1160627W | - | In-Ko-Pah Gorge |
| Mountain Vale Ranch | San Diego | locale | 330619N | 1163613W | - | Julian |
| Mountain View (subdivision) | San Diego | pop place | 324157N | 1170643W | 90 | National City |
| Mountain View Mobile Estates (subdivision) | San Diego | pop place | 331219N | 1171515W | 330 | San Luis Rey |
| Mountain View Park | San Diego | park | 324201N | 1170625W | - | National City |
| Mountain View Park | San Diego | park | 330746N | 1170209W | - | Valley Center |
| Mud Palisades | San Diego | cliff | 330016N | 1161436W | - | Harper Canyon |
| Mud Springs | San Diego | spring | 332740N | 1172308W | - | Margarita Peak |
| Mulberry Loop Campground | San Diego | locale | 325203N | 1170027W | - | La Mesa |
| Mule Hill (historic landmark #452) (December 7, 1846) | San Diego | summit | 330313N | 1165916W | 2140 | San Pasqual |
| Municipal Yacht Basin | San Diego | harbor | 324250N | 1171340W | - | Point Loma |
| Murphy Canyon | San Diego | valley | 324712N | 1170649W | - | La Mesa |
| Murphy Ranch | San Diego | locale | 325133N | 1164541W | - | Alpine |
| Murray 8-012 Dam | San Diego | dam | 324654N | 1170242W | - | La Mesa |
| Murray Canyon | San Diego | valley | 324619N | 1170927W | - | La Jolla |
| Murray Ridge Park | San Diego | park | 324725N | 1170847W | - | La Jolla |
| Murray Reservoir | San Diego | reservoir | 324654N | 1170242W | 526 | La Mesa |
| Museum of American Treasures | San Diego | building | 324100N | 1170541W | - | National City |
| Music Mountain | San Diego | summit | 323748N | 1161553W | 3560 | Live Oak Springs |
Section: 24 of 39
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Mussel Beds | San Diego | pop place | 324440N | 1171540W | 30 | Point Loma OE W |
| Mussey Grove (historical) (inundated by San Vicente Reservoir) | San Diego | pop place | 325540N | 1165420W | 542 | San Vicente Reservoir |
| Muth Valley | San Diego | valley | 325345N | 1165526W | - | San Vicente Reservoir |
| Mykrantz Ranch | San Diego | locale | 325958N | 1164801W | - | El Cajon Mountain |
| Mykrantz Truck Trail | San Diego | trail | 325912N | 1164723W | - | El Cajon Mountain |
| Nancy Jane County Park | San Diego | park | 324851N | 1165155W | - | Alpine |
| Narrows Earth Trail | San Diego | trail | 330750N | 1161755W | - | Borrego Sink |
| Narrows Substation | San Diego | locale | 330812N | 1161737W | - | Borrego Sink |
| National City | San Diego | pop place | 324041N | 1170554W | 100 | National City |
| National City Marine Terminal | San Diego | locale | 323915N | 1170707W | - | National City |
| National Ranch | San Diego | pop place | 324041N | 1170554W | 100 | National City |
| Natural History Museum | San Diego | building | 324355N | 1170848W | - | Point Loma |
| Natural Rock Tanks | San Diego | lake | 331913N | 1160936W | - | Fonts Point |
| Navy Pier | San Diego | locale | 324252N | 1171028W | - | Point Loma |
| Neal Cove | San Diego | bay | 324222N | 1165900W | - | Jamul Mountains |
| Negro Canyon | San Diego | valley | 331930N | 1165905W | - | Boucher Hill |
| Negro Valley | San Diego | valley | 331900N | 1165730W | - | Boucher Hill |
| Nelson Canyon | San Diego | valley | 324756N | 1163624W | - | Descanso |
| Neptune Park | San Diego | park | 324955N | 1171649W | - | La Jolla OE W |
| Nestor | San Diego | pop place | 323433N | 1170500W | 30 | Imperial Beach |
| Nestor Park | San Diego | park | 323415N | 1170445W | - | Imperial Beach |
| New Frontier Mobile Home Park | San Diego | pop place | 325041N | 1165800W | 350 | El Cajon |
| New Hope Rock | San Diego | bar | 324219N | 1171528W | 1 | Point Loma OE W |
| New Owens Mine | San Diego | mine | 330503N | 1163601W | - | Julian |
| New Point Loma Lighthouse (1891) | San Diego | locale | 323954N | 1171430W | - | Point Loma |
| New San Diego | San Diego | pop place | 324255N | 1170923W | 40 | Point Loma |
| Newton Canyon | San Diego | valley | 331420N | 1172344W | - | Oceanside |
| Nichols Ranch | San Diego | locale | 330118N | 1163942W | 3500 | Santa Ysabel |
| Nicholson Point | San Diego | cape | 325024N | 1171653W | - | La Jolla OE W |
| Nicholson Point Park | San Diego | park | 325024N | 1171650W | - | La Jolla OE W |
| Nigger Canyon | San Diego | valley | 331930N | 1165905W | - | Boucher Hill |
| Nigger Valley | San Diego | valley | 331900N | 1165730W | - | Boucher Hill |
| Nipaguay (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Noble Canyon | San Diego | valley | 325149N | 1163106W | - | Descanso |
| Noble Canyon Trailhead | San Diego | locale | 325102N | 1163015W | 4450 | Descanso |
| Noble Mine | San Diego | mine | 325246N | 1162949W | - | Monument Peak |
| Noble Mines | San Diego | mine | 325246N | 1162949W | - | Monument Peak |
| Nolina Wash | San Diego | stream | 330640N | 1161851W | - | Whale Peak |
| Nona Prospect | San Diego | mine | 325926N | 1164135W | - | Tule Springs |
| Normal Heights | San Diego | pop place | 324548N | 1170719W | 402 | La Mesa |
| Norman Park | San Diego | park | 323829N | 1170439W | - | National City |
| North Bay Terraces (subdivision) | San Diego | pop place | 324157N | 1170238W | 400 | National City |
| North Beach | San Diego | beach | 324110N | 1171130W | - | Point Loma |
| North Bluff Preserve | San Diego | park | 325841N | 1171612W | - | Del Mar OE W |
| North Clairemont | San Diego | pop place | 324958N | 1171157W | 343 | La Jolla |
| North Cove | San Diego | bay | 324637N | 1171415W | - | La Jolla |
| North Fallbrook | San Diego | pop place | 332235N | 1171501W | 685 | Fallbrook |
| North Fork Alder Canyon | San Diego | valley | 332521N | 1163232W | - | Bucksnort Mountain |
| North Fork Arroyo Salada | San Diego | stream | 331759N | 1160803W | - | Fonts Point |
| North Fork Arroyo Salado | San Diego | stream | 331759N | 1160803W | - | Fonts Point |
| North Fork Borrego Palm Canyon | San Diego | valley | 331742N | 1162750W | - | Borrego Palm Canyon |
| North Fork Fish Creek Wash | San Diego | stream | 325938N | 1160703W | - | Carrizo Mountain NE |
| North Fork Indian Valley | San Diego | valley | 325129N | 1161505W | - | Sombrero Peak |
| North Fork Palm Wash | San Diego | stream | 331721N | 1160500W | - | Seventeen Palms |
| North Fork San Onofre Canyon | San Diego | valley | 332358N | 1172952W | - | Margarita Peak |
| North Fork Sweetwater River | San Diego | stream | 324621N | 1165044W | - | Alpine |
| North Grove | San Diego | woods | 325154N | 1161320W | - | Sweeney Pass |
| North Harbor | San Diego | harbor | 331238N | 1172341W | - | Oceanside |
| North Hubbard Mines | San Diego | mine | 330336N | 1163300W | - | Julian |
| North Island | San Diego | island | 324150N | 1171154W | - | Point Loma |
| North Jamul | San Diego | pop place | 324332N | 1165207W | 1022 | Dulzura |
| North Park | San Diego | pop place | 324427N | 1170747W | 340 | Point Loma |
| North Park | San Diego | park | 324508N | 1170801W | - | La Jolla |
| North Park Recreation Center | San Diego | park | 324503N | 1170800W | - | La Jolla |
| North Peak | San Diego | summit | 330024N | 1163507W | 5993 | Julian |
| North Pinyon Mountains | San Diego | range | 330400N | 1162000W | 3567 | Whale Peak |
| North Pinyon Mountains | San Diego | range | 330630N | 1162400W | - | Earthquake Valley |
| North River Road Park | San Diego | park | 331522N | 1171711W | - | Morro Hill |
| North San Diego (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| North San Diego Bay | San Diego | bay | 324306N | 1171137W | - | Point Loma |
| North Seascape Surf Park | San Diego | park | 325907N | 1171620W | - | Del Mar OE W |
| North Star Mine | San Diego | mine | 330326N | 1163140W | - | Julian |
| North Town Center Park | San Diego | park | 325100N | 1165825W | - | El Cajon |
| North Wash | San Diego | stream | 325335N | 1161619W | - | Agua Caliente Springs |
| Northcote Park | San Diego | park | 325020N | 1165643W | - | El Cajon |
| Northern Wildlife Preserve | San Diego | park | 324745N | 1171342W | - | La Jolla |
| Northmont Park | San Diego | park | 324718N | 1165958W | - | El Cajon |
| November Pier | San Diego | locale | 324123N | 1171415W | - | Point Loma |
| Nude Wash | San Diego | stream | 330824N | 1161716W | - | Borrego Sink |
| Nuevo | San Diego | pop place | 330230N | 1165202W | 1442 | Ramona |
| Nuevo Post Office (Est. Nov. 12, 1886) | San Diego | post office | 330243N | 1165141W | - | Ramona |
| Nypagudy (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| O'Neal Canyon | San Diego | valley | 323554N | 1165620W | - | Otay Mesa |
| O'Neil Canyon | San Diego | valley | 323554N | 1165620W | - | Otay Mesa |
| O'Neil Lake | San Diego | reservoir | 331932N | 1171930W | 105 | Morro Hill |
| O'Neill Lake | San Diego | reservoir | 331932N | 1171930W | 105 | Morro Hill |
| Oak Canyon | San Diego | valley | 325022N | 1170233W | - | La Mesa |
| Oak Canyon Mine | San Diego | mine | 325437N | 1163035W | - | Cuyamaca Peak |
| Oak Flats | San Diego | flat | 331252N | 1165201W | - | Mesa Grande |
| Oak Grove | San Diego | pop place | 332306N | 1164718W | 2787 | Aguanga |
| Oak Grove Stage Station (historic landmark #502) (1858) | San Diego | building | 332325N | 1164738W | - | Aguanga |
| Oak Grove Stage Station Historical Marker | San Diego | park | 332325N | 1164738W | - | Aguanga |
| Oak Grove Truck Trail | San Diego | trail | 332210N | 1164718W | - | Palomar Observatory |
| Oak Grove Valley | San Diego | valley | 332337N | 1164738W | - | Aguanga |
| Oak Hill Cemetery | San Diego | cemetery | 330745N | 1170138W | - | Valley Center |
| Oak Hill City Park | San Diego | park | 330753N | 1170255W | - | Valley Center |
| Oak Hill Memorial Park | San Diego | cemetery | 330745N | 1170138W | - | Valley Center |
| Oak Knoll Campground | San Diego | locale | 331737N | 1165405W | 2560 | Boucher Hill |
| Oak Lake | San Diego | lake | 330833N | 1171619W | - | San Luis Rey |
| Oak Oasis County Open Space Preserve | San Diego | park | 325502N | 1165313W | - | San Vicente Reservoir |
Section: 25 of 39
| Feature Name | County | Type | Latitude | Longitude | Alt | USGS 7.5' Map |
| Oak Oasis County Park | San Diego | park | 325502N | 1165313W | - | San Vicente Reservoir |
| Oak Park | San Diego | park | 324357N | 1170459W | - | National City |
| Oak Ridge | San Diego | ridge | 330846N | 1163646W | - | Ranchita |
| Oak Ridge Quarry | San Diego | mine | 324902N | 1165206W | - | Alpine |
| Oak Riparian Park | San Diego | park | 331035N | 1171607W | - | San Luis Rey |
| Oak Spring | San Diego | spring | 331335N | 1163233W | - | Ranchita |
| Oak Valley | San Diego | valley | 324759N | 1163315W | - | Descanso |
| Oak Valley Creek | San Diego | stream | 324818N | 1163413W | - | Descanso |
| Oakcrest County Park | San Diego | park | 330242N | 1171555W | - | Encinitas |
| Oakcrest Park | San Diego | park | 330242N | 1171555W | - | Encinitas |
| Oakgrove Valley | San Diego | pop place | 332306N | 1164718W | 2787 | Aguanga |
| Oakzanita Peak | San Diego | summit | 325326N | 1163338W | 5054 | Cuyamaca Peak |
| Oakzanita Springs Campground | San Diego | locale | 325302N | 1163425W | - | Cuyamaca Peak |
| Oasis Spring | San Diego | spring | 325418N | 1162712W | - | Monument Peak |
| Oat Hills | San Diego | range | 331311N | 1170602W | - | Valley Center |
| Oat Hills Tunnel | San Diego | tunnel | 331307N | 1170514W | - | Valley Center |
| Ocean Beach | San Diego | pop place | 324440N | 1171540W | 30 | Point Loma OE W |
| Ocean Beach City Beach | San Diego | beach | 324424N | 1171516W | - | Point Loma OE W |
| Ocean Beach Fishing Pier (1971 feet long) | San Diego | locale | 324455N | 1171519W | - | Point Loma OE W |
| Ocean Beach Community Park | San Diego | park | 324440N | 1171443W | - | Point Loma |
| Ocean Beach Park | San Diego | park | 324440N | 1171443W | - | Point Loma |
| Ocean Beach Park | San Diego | park | 324508N | 1171504W | - | La Jolla OE W |
| Ocean Beach Post Office (Est. June 10, 1909) | San Diego | post office | 324445N | 1171449W | - | Point Loma |
| Ocean Beach Recreation Center | San Diego | park | 324440N | 1171441W | - | Point Loma |
| Ocean Hills | San Diego | pop place | 330951N | 1171515W | 500 | San Luis Rey |
| Ocean Side | San Diego | pop place | 331145N | 1172243W | 47 | Oceanside |
| Oceana | San Diego | pop place | 331238N | 1171945W | 180 | San Luis Rey |
| Oceanside | San Diego | pop place | 331145N | 1172243W | 47 | Oceanside |
| Oceanside Airport | San Diego | airport | 331304N | 1172107W | 28 | San Luis Rey |
| Oceanside City Beach | San Diego | beach | 331143N | 1172304W | - | Oceanside |
| Oceanside Harbor | San Diego | harbor | 331228N | 1172339W | - | Oceanside |
| Oceanside Municipal Airport | San Diego | airport | 331304N | 1172107W | 28 | San Luis Rey |
| Oceanside Pier | San Diego | locale | 331134N | 1172309W | - | Oceanside |
| Oceanside Post Office (Est. May 24, 1883) | San Diego | post office | 331143N | 1172238W | - | Oceanside |
| Ocotillo (historical) | Imperial | pop place | 324419N | 1155936W | 380 | Coyote Wells |
| Ocotillo | San Diego | pop place | 330840N | 1160800W | 163 | Borrego Mountain |
| Ocotillo Airport | San Diego | airport | 330900N | 1160758W | 160 | Borrego Mountain |
| Ocotillo Badlands | San Diego | area | 330710N | 1160555W | - | Borrego Mountain SE |
| Ocotillo Flat | San Diego | flat | 332157N | 1162428W | - | Borrego Palm Canyon |
| Ocotillo Wells | San Diego | pop place | 330840N | 1160800W | 163 | Borrego Mountain |
| Odd Fellows Community Cemetery | San Diego | cemetery | 332206N | 1171523W | - | Morro Hill |
| Old Castle Ranch | San Diego | locale | 331449N | 1170632W | - | Valley Center |
| Old George Mountain | San Diego | summit | 323755N | 1161541W | 3600 | Live Oak Springs |
| Old Ironsides County Park | San Diego | park | 324924N | 1164935W | - | Alpine |
| Old La Playa (historic landmark #61) (1770) | San Diego | harbor | n/a | n/a | - | n/a |
| "Old Landing," Site of El Desembarcadero (historic landmark #64) | San Diego | locale | n/a | n/a | - | n/a |
| Old Lighthouse | San Diego | locale | 324018N | 1171450W | - | Point Loma |
| Old Madden Mine | San Diego | mine | 330417N | 1163345W | - | Julian |
| Old Overland Stage Route | San Diego | trail | 330126N | 1162452W | - | Earthquake Valley |
| Old Overland Stage Route | San Diego | trail | 325310N | 1160959W | - | Arroyo Tapiado |
| Old Point Loma Lighthouse (historic landmark #51) (1854) | San Diego | locale | 324018N | 1171424W | - | Point Loma |
| Old Poway Park | San Diego | park | 325814N | 1170211W | - | Poway |
| Old San Diego | San Diego | pop place | 324515N | 1171146W | 20 | La Jolla |
| Old Spanish Cemetery (historic landmark #68) (1850) | San Diego | cemetery | n/a | n/a | - | n/a |
| Old Stage Route | San Diego | trail | 323634N | 1164038W | - | Tecate |
| Old Town | San Diego | pop place | 324515N | 1171146W | 20 | La Jolla |
| Old Town Plaza | San Diego | park | 324517N | 1171147W | - | La Jolla |
| Old Town San Diego | San Diego | pop place | 324515N | 1171146W | 20 | La Jolla |
| Old Town San Diego Historic District | San Diego | park | 324513N | 1171137W | - | La Jolla |
| Old Town San Diego State Historic Park (historic landmark #830) | San Diego | park | 324515N | 1171146W | - | La Jolla |
| Old Trolley Barn Park | San Diego | park | 324551N | 1170832W | - | La Jolla |
| Old Virginia Mine | San Diego | mine | 330524N | 1163806W | - | Santa Ysabel |
| Ole Reservoir | San Diego | reservoir | 325225N | 1162527W | - | Mount Laguna |
| Olive Grove Community Park | San Diego | park | 324935N | 1171010W | - | La Jolla |
| Olive Grove Park | San Diego | park | 324935N | 1171010W | - | La Jolla |
| Olivenhain | San Diego | pop place | 330246N | 1171402W | 127 | Rancho Santa Fe |
| Olivenhain Cemetery | San Diego | cemetery | 330156N | 1171430W | - | Rancho Santa Fe |
| Olivenhein | San Diego | pop place | 330246N | 1171402W | 127 | Rancho Santa Fe |
| Oliver Ranch | San Diego | locale | 331722N | 1161820W | - | Clark Lake |
| Olla Wash | San Diego | stream | 325915N | 1161309W | - | Arroyo Tapiado |
| Omaya Ranch | San Diego | locale | 332020N | 1164011W | - | Warner Springs |
| On the Rocks Airport | San Diego | airport | 324554N | 1164321W | 2650 | Viejas Mountain |
| One Thousand Palms Canyon | San Diego | valley | 332335N | 1162822W | - | Collins Valley |
| Oneonta Slough | San Diego | gut | 323355N | 1170749W | - | Imperial Beach OE W |
| Onofre | San Diego | pop place | 332252N | 1173420W | 30 | San Clemente |
| Orasco Ridge | San Diego | ridge | 330724N | 1165240W | - | San Pasqual |
| Orasco Truck Trail | San Diego | trail | 330659N | 1165206W | - | Ramona |
| Organ Valley | San Diego | basin | 330845N | 1164845W | - | Mesa Grande |
| Oriflamme Canyon | San Diego | valley | 330105N | 1162900W | - | Earthquake Valley |
| Oriflamme Creek | San Diego | stream | 330107N | 1162850W | - | Earthquake Valley |
| Oriflamme Mine | San Diego | mine | 325914N | 1163042W | - | Cuyamaca Peak |
| Oriflamme Mountain | San Diego | summit | 325804N | 1162918W | 4800 | Monument Peak |
| Oriflamme Mountains | San Diego | summit | 325804N | 1162918W | 4800 | Monument Peak |
| Orinoco Creek | San Diego | stream | 330320N | 1163940W | - | Santa Ysabel |
| Oroflamme Canyon | San Diego | valley | 330105N | 1162900W | - | Earthquake Valley |
| Oroflamme Creek | San Diego | stream | 330107N | 1162850W | - | Earthquake Valley |
| Oroflamme Mountains | San Diego | summit | 325804N | 1162918W | 4800 | Monument Peak |
| Orosco Ridge | San Diego | ridge | 330724N | 1165240W | - | San Pasqual |
| Orosco Truck Trail | San Diego | trail | 330659N | 1165206W | - | Ramona |
| Osprey Point | San Diego | cape | 324410N | 1171519W | - | Point Loma OE W |
| Osuna Valley | San Diego | valley | 325943N | 1171219W | - | Del Mar |
| Otai (historical) | San Diego | pop place | n/a | n/a | - | n/a |
| Otay | San Diego | pop place | 323541N | 1170349W | 66 | Imperial Beach |
| Otay County Open Space Preserve | San Diego | park | 323649N | 1165447W | - | Otay Mesa |
| Otay Creek | San Diego | stream | 323623N | 1170656W | - | Imperial Beach |
| Otay Lake County Park | San Diego | park | 323623N | 1165546W | - | Otay Mesa |
| Otay Mesa | San Diego | summit | 323336N | 1165607W | 640 | Otay Mesa |
| Otay Mesa (subdivision) | San Diego | pop place | 323424N | 1170312W | 180 | Imperial Beach |
| Otay Mountain | San Diego | summit | 323541N | 1165035W | 3566 | Otay Mountain |
| Otay Mountain Truck Trail | San Diego | trail | 323448N | 1165102W | - | Otay Mountain |
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