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Mt Sinai, NY Land for Sale

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11 properties
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Waterfront Land in Mount Sinai
Updated: Jan 18
Waterfront Land in Mount Sinai

225 Shore Road, Mount Sinai, NY 11766

$649,999
1.10 AC lot
Rare 1.1‑acre waterfront property in Mt. Sinai with unobstructed harbor and Connecticut coastline views.
Direct waterfront access for boating, fishing, kayaking, and enjoying local seafood.
Level building site perched high above the harbor, ensuring panoramic views.
Opportunity to build a custom home (modern, coastal, or grand estate) on a partially cleared lot.
Located in the highly‑rated Mt. Sinai School District.
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Vacant Land in Mount Sinai
Updated: Feb 11
Vacant Land in Mount Sinai

28 Rocky Hill Road, Mount Sinai, NY 11766

$449,000
1.28 AC lot
Waterview (Winter)
Vacant Land ready for your vision
Located in the Historic District
Location Available (Coordinates Provided)
No Active Permits
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Subdividable Commercial Land Parcels
Subdividable Commercial Land Parcels

9 Myrtle St, Mount Sinai, NY 11766

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87,000 sqft

Two subdividable parcels with public sewer connection and immediate access to a major east-west 4-lane highway.

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See what stands out in Suffolk County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

Cap Rate available after sign in
NOI available after sign in
Local Demand available after sign in
Commercial Development Opportunity on Route 25A
Commercial Development Opportunity on Route 25A

12 Myrtle Street, Mount Sinai, NY 11766

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88,000 sqft

Prime commercial land with development potential near major hospitals.

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Commercial Development Sites For Sale
Commercial Development Sites For Sale

12 Myrtle Street, Mount Sinai, NY 11766

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87,000 sqft 8.54 AC lot

Two contiguous commercial development sites available for sale.

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Commercial Development Sites on Route 25A
Commercial Development Sites on Route 25A

12 Myrtle Street, Mount Sinai, NY 11766

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8.54 AC lot

Two contiguous commercial development sites for sale on Route 25A.

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Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
Mount Sinai Land For Sale
Mount Sinai Land For Sale

Mt Sinai, NY 11766

$8,500,000

Commercial land available on Route 25A in Mount Sinai.

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Land
Land

28 Rocky Hill Rd, Mount Sinai, NY 11766

$449,000

Land

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Cleared Residential Development Lot
Cleared Residential Development Lot

Lot 1 Coventry Court, Mount Sinai, NY 11766

$299,998

Residential lot is cleared and paved, located on a quiet cul-de-sac with 50-foot-wide roads.

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Commercial Land with Highway Frontage
Commercial Land with Highway Frontage

426-456 Route 25A, Mount Sinai, NY 11766

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J-2-zoned commercial land with substantial frontage, on-site parking, and established commercial neighbors.

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Residential Land Near Nesconset Highway
Residential Land Near Nesconset Highway

Chestnut St, Mount Sinai, NY

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25.22 AC lot

25.22 acres of residential land, excellent for development.

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Based on your search, we've compiled 15 Potential Opportunities for your consideration. Besides 11 Active listings in Mt Sinai, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Shovel-Ready Lot in Miller Place
Shovel-Ready Lot in Miller Place

18A Valley Cir, Miller Place, NY 11764

$349,900
0.58 AC lot

Approved lot for a 2,800+ sq ft house.

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Shovel-Ready Building Lot Opportunity
Shovel-Ready Building Lot Opportunity

Canal Road, Port Jefferson Station, NY 11776

$249,999
0.18 AC lot

Ready-to-build lot with approved plans in Port Jefferson Station.

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Shovel-Ready Lot in Miller Place
Shovel-Ready Lot in Miller Place

18B Valley Cir, Miller Place, NY 11764

$349,900
0.56 AC lot

Approved lot for a 2,800+ sq ft house.

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Commercial Land with Double Curb Cut
Commercial Land with Double Curb Cut

527/529 Route 112, Port Jefferson Station, NY 11776

$3,250,000
4.10 AC lot

Level, fenced commercial parcel with public water availability and a landscaped perimeter.

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Mt Sinai, NY Land Market Trends and Statistics

Explore 11 land for sale in Mt Sinai, NY, showcased through 11 active listings on our real estate platform. These investment opportunities span a total of 2,121,261 square feet of properties for sale, with an estimated market value of $10,347,997.

Sale prices for lots in Mt Sinai, NY start at $299,998, averaging $2,069,599, and reaching up to $8,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Commercial land 5
Industrial land 1

Demographics Overview

Population 11K
Population Growth (5Y) -7.5%
Median Household Income $157,564
College Educated 77.7%

High-Yield Neighborhoods for Investment

Identify Mt Sinai submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood Average Price
Mount Sinai - 11766 $8.5M

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

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