Explore Nassau County, New York with this interactive street and satellite map. Browse all 127 cities and towns in Nassau County below.
| County | Nassau |
| State | New York (NY) |
| County Seat | Mineola |
| Country | United States of America |
| Latitude | 40.743468 |
| Longitude | -73.632226 |
| Cities & Towns | 127 |
| Area Codes | 347, 516, 718, 845, 929 |
Nassau County occupies the western portion of Long Island, a stretch of land defined by the push and pull of the Atlantic tides and the lingering reach of the last glacial advance. To the west, the border is a firm, man-made line separating the county from the dense verticality of the outer boroughs, while to the east, the geography thins into the wider expanse of the island. The northern reaches are characterized by terminal moraine ridges that overlook the salt-heavy air of the Sound, where the ground rises in sudden, jagged swells before dropping toward deep, protected harbors. In contrast, the southern edge is a flat, sandy apron of barrier islands and marshy estuaries that hold the light of late afternoon in a shimmering, pale gray haze, turning the horizon into a blurred seam between the salt grass and the sky.
Nassau County emerged at the turn of the twentieth century, carved from the eastern territory of a larger, older jurisdiction to create a distinct political identity closer to the rhythms of the island. The process of its formation was fueled by a growing desire for local governance that reflected the transition from agrarian homesteads to a more structured suburban landscape. The seat of government eventually settled in a town chosen for its central position and its history as a crossroads, a place where the old colonial roads met the newer, iron-railed arteries of the railroad. This administrative center grew not from a single grand design, but through the patient accumulation of courthouses and civic buildings that anchor the daily business of the county, standing as sturdy, stone-faced witnesses to the shifting demographics of the surrounding neighborhoods.
Life here moves to the steady hum of commuter rails and the constant, restless energy of a region that functions as both a destination and a corridor. The economy is a complex layering of professional services, research institutions, and the enduring vitality of retail districts that serve as the focal points for local social life. Landmarks range from the sprawling, historic estates that once defined the northern coast to the modern, sprawling commercial hubs that occupy the transit corridors, creating a landscape that feels perpetually in motion. On quiet side streets, the air often carries the damp, metallic scent of the nearby ocean, and the light at dusk hits the shingled houses with a clarity that renders every detail—the weathered wood, the trimmed hedges, the shadow of a passing bird—with a stark, unvarnished precision.
This page provides an interactive map of Nassau County, New York alongside links to detailed street maps for 127 cities and towns. The county seat is Mineola. Each city and town map page includes live weather, local news and precise GPS coordinates.
The Search Maps button below the county map opens USGS topographic maps and aerial imagery as base layers, with a labelled U.S. National Grid (USNG) overlay, a distance and bearing tool, and a single-fix GPS readout giving your USNG grid reference and latitude and longitude.
Location data is sourced from the USGS GNIS database and verified by coordinates, not name matching alone.
| Page generated | September 2026 |
| Location data | USGS GNIS database; coordinates matched to 2020 US Census records |