Mount Sinai, New York

Mount Sinai: hamlet located within the Town of Brookhaven in Suffolk County, New York

About

Mount Sinai is a town located in the county of Suffolk in the U.S. state of New York.

Mount Sinai locator map
Location of Mount Sinai on New York map.

Quick Facts about Mount Sinai

Population 12,118
Country United States of America
State New York (United States)
County Suffolk County
Postal code 11766
Phone Area Codes 631
Area 16.62 km2
Latitude & Longitude 40.9470,-73.0296
Altitude 33 feet / 10 meters
Time Zone America/New_York
Local time 21:04:20 (18th April 2026)
Weather 62℉ Partly Sunny 7-days weather
MSpark image
MSpark image

Geography

Mount Sinai is located at 40°56'49"N 73°1'46"W (40.9470400, -73.0295500).

Mount Sinai map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

62°F
Partly Sunny
7 mph E Saturday

Partly sunny, with a high near 62.

7-Day Forecast
Mount Sinai zip code is 11766. County name: Suffolk, County fips: 36103
Mount Vernon, Non-o-wan-tuck, Old Man's Harbor, Old Mans, Ould Mans

Best Things to Do in Mount Sinai

1Cedar Beach Town Nature Preserve

Rating: 4.6 (1442)

244 Harbor Beach Rd, Mt Sinai, NY 11766, United States View details

Phone: +16319280199

2Heritage Park - Heritage Trust Inc

Rating: 4.6 (749)

633 Mount Sinai-Coram Rd, Mt Sinai, NY 11766, United States View details

Phone: +16315090882 | Website available

Nearby Schools and Colleges

Schools and campuses linked to Mount Sinai, NY. Select a name to open its map and contact details.

Code Name City ZIP
196097 Stony Brook University Stony Brook (NY) 11794

Nearby Transit Stations (22)

Rail and bus stations connected to Mount Sinai, NY. Select a station to open its map and address details.

Code Name Address Type
BRP Bridgeport 525 Water St. RAIL
NHV Union Station 50 Union Avenue RAIL
STM Stamford Transportation Center Washington Blvd and South State St. RAIL
WFD Wallingford station 37 Hall Avenue RAIL
NRO New Rochelle station 1 Railroad Plaza RAIL

Closest post offices linked to Mount Sinai.

Post Office Name City ZIP
Mount Sina Post Office Mount Sinai (NY) 11766

Other cities in Suffolk County

Cities, towns, neighborhoods & other populated places in Suffolk County , NY. (more)

City Name Population Title
Brookhaven 479,883 This town in Suffolk County, New York, is the most populous in the state.
Islip 322,328 This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet.
Babylon 218,223 A town in Suffolk County, New York.
Huntington 200,102 Town in Suffolk County, New York, United States
Smithtown 110,876 Census-designated place in Suffolk County, New York
Brentwood 60,664 Census-designated place in Suffolk County, New York
Southampton 58,549 Town in Suffolk County, New York, partly on the South Fork of Long Island, USA
West Babylon 43,213 Census-designated place in Suffolk County, New York
Coram 39,113 Census-designated place in Suffolk County, New York
Commack 36,124 Census-designated place in Suffolk County, New York
Central Islip 34,450 Census-designated place in Suffolk County, New York
Riverhead 33,434 Town in New York
Huntington Station 33,029 Census-designated place in Suffolk County, New York
Centereach 31,578 Census-designated place in Suffolk County, New York
West Islip 28,335 Census-designated place in Suffolk County, New York
Shirley 27,854 Census-designated place in New York, USA

Distance to Other Cities

Mount Sinai distances to largest New York cities