Townapedia
MSpark
MSpark · Iracaz at English Wikipedia, Public domain
Mpmcnultys
Mpmcnultys · Iracaz at English Wikipedia, Public domain
Sherwood-Jayne House; East Setauket-3
Sherwood-Jayne House; East Setauket-3 · DanTD, CC BY-SA 3.0
Bayles Shipyard 1917 Machine Shop and Mould Loft Dec 07
Bayles Shipyard 1917 Machine Shop and Mould Loft Dec 07 · Doug Kerr from Upstate New York, CC BY-SA 2.0
Port Jefferson 1st National Bank
Port Jefferson 1st National Bank · DanTD, CC BY-SA 3.0
Port Jefferson Village Historic District Dec 07
Port Jefferson Village Historic District Dec 07 · Doug Kerr from Upstate New York, CC BY-SA 2.0

Mount Sinai, New York

Mount Sinai is a community of 11,093 people in Suffolk County, New York.

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Population11,093 -0.1% since 2019
Elevation33 ft 10 m
Land area6.0 sq mi
ZIP code11766
Nearest airportLong Island MacArthur Airport (ISP) 11 mi

Why visit Mount Sinai

Townapedia lists 9 museums and landmarks, 16 parks and trails, 30 places to eat, 2 places to stay and 3 attractions in and around town.

Highlights include Cedar Beach, PJ Cinemas, Bayles Shipyard and First National Bank of Port Jefferson.

July is the warmest month, with average highs of 83°F; January lows average 26°F.

About Mount Sinai

Mount Sinai is a hamlet and census-designated place (CDP) located within the Town of Brookhaven, in Suffolk County, New York, United States. As of the 2020 census, Mount Sinai had a population of 11,623. The hamlet is located on the North Shore of Long Island.

From the Wikipedia article Mount Sinai, New York (this version), under CC BY-SA 4.0.

Things to do3

Cedar Beach

Beach · 1.8 mi

Beach in Brookhaven, Suffolk County, New York, United States

Open in Google Maps · Wikipedia

PJ Cinemas

Cinema and theater · 1.9 mi

Open in Google Maps

Theatre Three

Cinema and theater · 2.5 mi

Theatre company in Port Jefferson, New York

Open in Google Maps · Wikipedia

Museums and landmarks9

Bayles Shipyard

Monument and historic site · National Register of Historic Places · 2.5 mi

Historic building in Port Jefferson, New York state, USA

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First National Bank of Port Jefferson

Monument and historic site · National Register of Historic Places · 2.5 mi

Building in New York, United States

Open in Google Maps · Wikipedia

Miller Place Historic District

Monument and historic site · National Register of Historic Places · 1.6 mi

Historic district in New York, United States

Open in Google Maps · Wikipedia

Port Jefferson Village Historic District

Monument and historic site · National Register of Historic Places · 2.4 mi

Historic district in New York, United States

Open in Google Maps · Wikipedia

Samuel Hopkins House

Monument and historic site · National Register of Historic Places · 1.1 mi

Historic home in Suffolk County, New York

Open in Google Maps · Wikipedia

Sherwood-Jayne House

Monument and historic site · National Register of Historic Places · 3.6 mi

Historic house in New York, United States

Open in Google Maps · Wikipedia

The Mather House Museum

Museum · 2.4 mi

115 Prospect Street, Port Jefferson

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Chandler Estate

Monument and historic site · 1.0 mi

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Kelli Harkins Memorial

Monument and historic site · 1.7 mi

Open in Google Maps

Parks, trails and playgrounds16

Port Jefferson Country Club

Golf course · 2.2 mi

44 Fairway Drive, Port Jefferson

Open in Google Maps · +1-631-285-1814

Miller Place Beach

Beach · 1.8 mi

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Sylvan Ave Park

Park · 1.1 mi

Community park including a football field, baseball field, handball court, and a playground. Some tables are available for picnics....

16-54 Echo Avenue, Miller Place

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North Country Open Space / Nature Preserve

Hiking and trails · 1.9 mi

Official name unknown

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North Country Preserve

Hiking and trails · 2.0 mi

Official name unknown

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Park Pasta Fagioli Franklin

Park · 2.2 mi

232 Woodhull Avenue, Port Jefferson Station

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Cedar Beach

Beach · 2.0 mi

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Cedar Beach Town Park

Park · 1.6 mi

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Chandler Estate County Park

Park · 1.0 mi

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Cordwood Landing Country Park

Park · 1.7 mi

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Fowler Park

Park · 0.6 mi

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4 more on the map.

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Restaurants and cafes30

Applebee's

Diner · American · 1.6 mi

335 Route 25A, Miller Place

11:00-23:59

Open in Google Maps · +1 631-473-0008

Redefine Meals

Restaurant · American, Mexican, Italian, Asian · 2.3 mi

5090 Nesconset Highway, Port Jefferson Station

Mo-Su 08:00-22:00

Open in Google Maps · +1-631-828-2287

Subway

Restaurant · Sandwich · 1.8 mi

451 Route 25A, Miller Place

07:00-22:00

Open in Google Maps · +1-631-928-6472

Toast Coffee + Kitchen

Restaurant · Breakfast, Coffee Shop · 1.9 mi

650 Patchogue Road, Port Jefferson Station

Mo-Fr 08:00-15:00; Sa-Su 07:30-15:30

Open in Google Maps · +1-631-331-6860

Vincenzo's Pizzeria & Restaurant

Restaurant · Pizza, Italian · 1.6 mi

343 Route 25A, Miller Place

10:00-22:00

Open in Google Maps

Hana

Restaurant · Japanese · 1.8 mi

21 Oakland Avenue, Port Jefferson

Open in Google Maps · +1-631-473-4262

Midori Sushi & Steakhouse

Restaurant · Japanese · 0.8 mi

271 Route 25A, Mount Sinai

Open in Google Maps · +1-631-500-9100

Mount Sinai Heritage Diner

Restaurant · American, Breakfast, Burger, Sandwich, Greek, Mexican, Seafood · 0.7 mi

275 Route 25A, Mount Sinai

Open in Google Maps · +1-631-642-3700

Starbucks

Cafe · Coffee Shop · 1.7 mi

385 Route 25A, Miller Place

Open in Google Maps · +1 631-331-0405

Cara Mia

Restaurant · Pizza, Italian · 2.0 mi

257 Echo Avenue, Sound Beach

Mo 11:00-21:00; Tu-Sa 11:00-22:00; Su 12:00-21:00

Open in Google Maps

Friendly's

Diner · American · 1.5 mi

275 Route 25A, Miller Place

08:00-23:00

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Inferno's Grill

Restaurant · Burger, American · 1.9 mi

245 Echo Avenue, Sound Beach

Tu-Fr 11:30-21:00; Su 12:00-20:00; Mo closed

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18 more on the map.

History

Mount Sinai was founded in the 1664 as an early European settlement.[1]

From the History section of Mount Sinai, New York on Wikipedia, under CC BY-SA 4.0.

Where to stay2

Churches and places of worship8

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Shopping5

Gas and EV charging6

Schools, colleges and libraries46

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Healthcare4

Map of Mount Sinai

129 places. The map loads OpenStreetMap tiles when you open it.

Climate by month

20°40°60°80°January: 3.7 in of rainFebruary: 3.2 in of rainMarch: 4.7 in of rainApril: 4.4 in of rainMay: 3.9 in of rainJune: 3.9 in of rainJuly: 3.9 in of rainAugust: 4.0 in of rainSeptember: 4.3 in of rainOctober: 4.2 in of rainNovember: 3.7 in of rainDecember: 4.6 in of rainJanuary: 41°FFebruary: 43°FMarch: 50°FApril: 64°FMay: 72°FJune: 78°FJuly: 83°FAugust: 82°FSeptember: 75°FOctober: 65°FNovember: 56°FDecember: 46°FJanuary: 26°FFebruary: 28°FMarch: 33°FApril: 43°FMay: 51°FJune: 61°FJuly: 68°FAugust: 67°FSeptember: 61°FOctober: 49°FNovember: 40°FDecember: 32°FJFMAMJJASOND
Average high Average low Rain
Monthly table
MonthHighLowRain
Jan41°F26°F3.7 in
Feb43°F28°F3.2 in
Mar50°F33°F4.7 in
Apr64°F43°F4.4 in
May72°F51°F3.9 in
Jun78°F61°F3.9 in
Jul83°F68°F3.9 in
Aug82°F67°F4.0 in
Sep75°F61°F4.3 in
Oct65°F49°F4.2 in
Nov56°F40°F3.7 in
Dec46°F32°F4.6 in

U.S. Climate Normals 1991-2020 for Mt Sinai (1 mi away), NOAA NCEI.

People and cost of living

$162,188median household income
$661,200median home value
$3,088median monthly rent
46.6median age
50.7%of adults have a bachelor's degree or higher
92.6%of homes are owner-occupied
37.3 minaverage commute
Age of residents
Under 1822%18 to 3413%35 to 6438%65 and over26%

American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.

Disaster history

Suffolk County has had 25 federal disaster declarations since 2000, most often for hurricanes.

  • 2024-10-21: Severe Storm And Flooding (Severe Storm)
  • 2024-08-25: Severe Storm And Flooding (Severe Storm)
  • 2023-03-15: Severe Winter Storm And Snowstorm (Snowstorm)
  • 2021-09-05: Remnants Of Hurricane Ida (Hurricane)
  • 2021-09-02: Remnants Of Hurricane Ida (Hurricane)
  • 2021-08-22: Hurricane Henri (Hurricane)

OpenFEMA disaster declarations summaries.

Getting there and nearby towns

Long Island MacArthur Airport (ISP) is the nearest airport with scheduled flights listed in OpenStreetMap, 11 miles away.

Drive times are estimates from straight-line distance, not routes.

Reviews, tips and questions

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Sources and licences

Photo credits

Page built October 30, 2026. Spotted a mistake? Tell us or suggest a place.