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Onset Massachusetts Map

Explore Onset, Massachusetts, 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 Onset, Massachusetts

How to Use This Onset, Massachusetts Map

This interactive map shows the street layout and satellite imagery for Onset, Massachusetts. 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 Massachusetts 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 Onset.

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	Onset
State	Massachusetts (MA)
County	Plymouth County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	41.741771
Longitude	-70.65781
Population	1,617
Density	579.2 /km²
Incorporated	N/A
ZIP Code	02558
Area Code	339, 351, 413, 508, 617, 774, 781, 857, 978
County Seat	Plymouth
School District	Wareham School District

🌦 Goto Onset Weather Page: Onset, Massachusetts — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Onset, Massachusetts

Onset is a locality in Plymouth County, Massachusetts, United States. It has a population of approximately 1,617. The population density is 579.2 people per km². Onset is located at 41.7418°N, 70.6578°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 02558.

Onset sits as a jagged, salt-sprayed finger of land where the East River spills its brackish contents into the vast, restless Atlantic Ocean. It lies 3.0 miles west of Bourne, MA (from Bourne, MA: bearing 271°T), and is situated 3.6 miles east-southeast of Wareham. The horizon remains dominated by the flat, silver expanse of the water, occasionally broken by the low silhouette of Wickets Island, which guards the harbor like a weathered sentinel. Within the quiet boundaries of Prospect Park, the ground rises in subtle, scrubby swells, far removed from the distant, jagged shadows of Ridge Hill that haunt the hazy western edge of the world. A mile inland, the dark, still surface of Dicks Pond offers a cooling contrast to the tidal churn of the coast, its edges fringed with reeds that sway in the persistent, rhythmic breath of the sea.

Onset carries the weight of a long-standing maritime heritage, its economy once tethered to the harvest of the tides and the seasonal influx of those seeking the restorative salt air. The architecture here retains a Victorian gravity, with wooden porches that have weathered gray under the sun and the persistent, damp gales. Life in Onset follows the slow, deliberate turning of the seasons, where the bustle of summer fades into a profound, introspective quiet as the tourists depart and the local rhythm settles back into the maintenance of boats and the quiet contemplation of the shoreline. Even when the winter light renders the landscape stark and unforgiving, there is a lingering sense of endurance in the way the dwellings hold their ground against the salt-heavy winds.

Nearby Outdoor Places

Prospect Park (Local Park) — locality lies within
Cape and Islands Ocean Sanctuary (Marine Protected Area) — 0.0 mi, 201° S
Onset School Playground (Recreation Easement) — 0.1 mi, 355° N
Longwood Park (Local Park) — 0.3 mi, 264° W
I C Hammond Preserve (Conservation Area) — 0.7 mi, 346° N
Great Neck Conservation Area (Conservation Area) — 1.1 mi, 264° W
Wareham Water Supply Land (Waterfowl Production Area) — 1.1 mi, 020° N
Red Brook Wellfield (Waterfowl Production Area) — 1.3 mi, 039° NE
Minot Forest (Local Resource Management Area) — 1.6 mi, 298° NW
Maritime Park (Monument) — 1.8 mi, 097° E
Merchant Marine Memorial (Public Artwork) — 1.8 mi, 096° E
Maple Springs Wildlife Management Area (State Conservation Area) — 2.3 mi, 345° N
Red Brook Wildlife Management Area (State Conservation Area) — 2.4 mi, 023° NE
Veterans Memorial (Monument) — 2.9 mi, 081° E
3 Mile Lookout (Viewpoint) — 2.9 mi, 084° E
Kendrick House Museum (Museum) — 3.6 mi, 293° NW
Herring Run (Attraction) — 5.3 mi, 067° NE
Butterflies of Cape Cod (Attraction) — 5.5 mi, 065° NE
Civilian Conservation Corps Amphitheater (Theatre) — 7.0 mi, 345° N
Sagamore Hill Trail (Monument) — 7.6 mi, 072° E
Cape Cod Bay Ocean Sanctuary (Marine Protected Area) — 7.8 mi, 051° NE
Saconesset Homestead and Museum (Museum) — 9.4 mi, 172° S
Edaville (Attraction) — 9.4 mi, 321° NW
Green Briar Jam Kitchen (Attraction) — 9.8 mi, 088° E
The Gallery (Gallery) — 10.9 mi, 237° SW
Lowell Holly Reservation (Nature Reserve) — 11.0 mi, 120° SE
Benjamin Nye Homestead and Museum (Museum) — 11.7 mi, 094° E
Mashpee Regal 6 (Cinema) — 12.2 mi, 135° SE
The Plimoth Grist Mill (Museum) — 14.6 mi, 359° N
Kusmin Art Gallery (Gallery) — 14.7 mi, 359° N

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