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Martinez California Map

Explore Martinez, California, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of Martinez, California

How to Use This Martinez, California Map

This interactive map shows the street layout and satellite imagery for Martinez, California. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of California or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Martinez.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	Martinez
State	California (CA)
County	Contra Costa County
Country	United States of America
Timezone	Pacific Time (America/Los_Angeles)

Latitude	37.998116
Longitude	-122.114419
Population	37,287
Density	1139.9 /km²
Incorporated	Yes
ZIP Codes	92274, 95370, 94553
Area Code	408, 669, 510
County Seat	Martinez
School District	Martinez Unified School District

🌦 Goto Martinez Weather Page: Martinez, California — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Martinez, California

Martinez is a locality in Contra Costa County, California, United States. It has a population of 37,287. The population density is 1139.9 people per km². Martinez is located at 37.9981°N, 122.1144°W. It observes the Pacific Time (America/Los_Angeles) timezone. Martinez is an incorporated locality. ZIP codes: 92274, 95370, 94553.

Martinez occupies a distinctive position where the flow of the Arroyo del Hambre carves a path toward the Pacific Ocean. It lies 2.5 miles south-southeast of Benicia, CA (from Benicia, CA: bearing 147°T), and is situated 6.3 miles west-northwest of Concord. Martinez sits at the edge of the Martinez Regional Shoreline, where the salt-heavy air shifts over the tides and creates a perpetual, cooling drift. Beyond the immediate waterfront, the landscape transitions into the quiet, sheltered folds of the Alhambra Valley. On clear days, the distant silhouette of the Coast Ranges rises to define the horizon in shades of violet and slate. The golden light of late afternoon catches the water, illuminating the nearby Seal Islands as they emerge from the rhythmic motion of the current.

Martinez traces its roots to the early days of California settlement, developing an economy long sustained by the industrious pulse of the oil and refining sectors. These heavy industries continue to shape the skyline, their structural silhouettes standing as a quiet contrast to the surrounding natural terrain. The local harbor remains a point of transition, echoing the historical reliance on maritime trade that once defined the regional commerce. While the workforce has diversified over time, the stubborn, pragmatic spirit of the early laborers remains etched into the daily rhythm of the streets. A few miles away, the waters of the Martinez Reservoir offer a steady, inland anchor to the region’s complex industrial and agricultural water needs.

Martinez carries a cultural character shaped by a blend of maritime legacy and the enduring presence of writers like John Muir, who chose these hills for his home. His former residence stands as a landmark of intellectual history, preserved against the encroaching pace of modern expansion. The town often gathers for local events that celebrate its heritage, filling the streets with a communal energy that feels both grounded and distinct. Throughout the year, the air in the valley retains a Mediterranean sharpness, clear and bracing during the winter and dry as tinder during the peak of summer. Those who walk the trails of the Martinez Regional Shoreline find a space where the noise of the contemporary world fades into the soft, persistent sound of the tide.

Nearby Outdoor Places

CA State Riding & Hiking Trail (Local Recreation) — 0.5 mi, 193° S
Howard Ray (Monument) — 0.8 mi, 074° E
The United States Peace Corps Fountain (Monument) — 0.9 mi, 204° SW
John Muir and Alhambra Creek Watershed (Public Artwork) — 1.2 mi, 214° SW
Christian Brothers Winery (Monument) — 1.3 mi, 327° NW
Carquinez Strait Regional Shoreline (Local Park) — 1.3 mi, 265° W
Almond Ranch (Conservation Area) — 1.6 mi, 237° SW
LC Galleries (Gallery) — 1.8 mi, 317° NW
Main Street Arts Gallery (Gallery) — 1.8 mi, 316° NW
Martinez Museum (Museum) — 1.8 mi, 323° NW
Briones Regional Park (Local Park) — 2.2 mi, 187° S
Sky Ranch (Conservation Area) — 2.2 mi, 254° W
Ridgeview Open Space (Local Recreation) — 2.2 mi, 155° SE
Point Edith Wetlands (Local Conservation Area) — 2.5 mi, 026° NE
Alhambra Creek Valley Staging Area (Attraction) — 2.9 mi, 190° S
Labyrinth (Attraction) — 3.2 mi, 190° S
US Army helicopter (Attraction) — 3.3 mi, 104° E
Point Edith Wildlife Area (State Conservation Area) — 3.4 mi, 032° NE
Vista Point (Viewpoint) — 3.7 mi, 347° N
Benicia Plein Air Gallery (Gallery) — 4.2 mi, 323° NW
City of Benicia Fishing Pier (Attraction) — 4.2 mi, 319° NW
Grizzly Island Wildlife Area (State Conservation Area) — 4.3 mi, 354° N
Benicia Capitol (Museum) — 4.3 mi, 326° NW
Concord Historical Museum (Museum) — 4.6 mi, 111° E
Walnut Creek Model Railroad Society (Museum) — 5.7 mi, 157° SE
Benicia State Recreation Area (State Recreation Area) — 6.1 mi, 322° NW
Southern Pacific Ferry Terminal (Historic Ruins) — 6.2 mi, 309° NW
Mount Diablo State Park (State Park) — 9.9 mi, 130° SE
Mullen Theater (Theatre) — 10.1 mi, 316° NW
San Pablo Bay National Wildlife Refuge (National Wildlife Refuge) — 12.4 mi, 312° NW · 43k acres

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