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Mount Sinai, NY Land for Sale

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Port Jefferson, NY Miller Place, NY Coram, NY Strongs Neck, NY Rocky Point, NY Selden, NY Brookhaven, NY Middle Island, NY
6 properties
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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Waterfront Property in Mt. Sinai
Waterfront Property in Mt. Sinai

225 Shore Road, Mount Sinai, NY 11766

$649,999
1.10 AC lot

Rare 1.1-acre waterfront lot with harbor views in Mt. Sinai.

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Mount Sinai Land For Sale
Mount Sinai Land For Sale

306 Route 25A, Mount 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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Commercial Development Sites on Route 25A
Commercial Development Sites on Route 25A

Mount Sinai, NY 11766

Contact for pricing
87,000 sqft 8.54 AC lot

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

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Based on your search, we've compiled 77 Potential Opportunities for your consideration. Besides 6 Active listings in Mount Sinai, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 66 Off-Market properties to explore as potential leads, plus 1 Land Listings that present a potential for development.

Opportunities in Nearby Cities

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

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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LAND - Port Jefferson Village, NY
LAND - Port Jefferson Village, NY

Edgewood Avenue, Port Jefferson, NY 11777

$249,999
0.22 AC lot

Land · 0.22 Acres

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Commercial Development Land with Double Access
Commercial Development Land with Double Access

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

$3,250,000
4.10 AC lot

Level commercial land with double curb cuts and a designated traffic light/arrow for flexible site planning and approvals.

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Residential Land in Port Jefferson
Residential Land in Port Jefferson

Thompson St/E. Broadway, Port Jefferson, NY 11777

$1,500,000
1.25 AC lot

Four-lot subdivision in Port Jefferson Village, ready for development.

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Tillable and Hunting Land Parcel
Tillable and Hunting Land Parcel

Saint Johns, MI 48879

$499,000
68.30 AC lot

Undeveloped parcel with tillable farmland and potential hunting or recreational uses.

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Off-Market Properties in Mount Sinai, NY

Consider similar Off-Market properties in Mount Sinai, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

Plymouth Ave
VACANT COMMERCIAL LAND

Plymouth Ave, Mount Sinai, NY 11766

$775,000
Estimated value
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Plymouth Ave
VACANT COMMERCIAL LAND

Plymouth Ave, Mount Sinai, NY 11766

$825,000
Estimated value
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87 Farm Acre Cir
VACANT COMMERCIAL LAND

87 Farm Acre Cir, Mount Sinai, NY 11766-3426

$950,000
Estimated value
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Canal Rd
VACANT COMMERCIAL LAND

Canal Rd, Mount Sinai, NY 11766

Value Estimation by Request
0.20 AC lot
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11 Plymouth Ave
VACANT COMMERCIAL LAND

11 Plymouth Ave, Mount Sinai, NY 11766-2629

Value Estimation by Request
17.05 AC lot
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530 Rte 25a
VACANT COMMERCIAL LAND

530 Rte 25a, Mount Sinai, NY 11766

Value Estimation by Request
0.70 AC lot
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Park Ave
VACANT COMMERCIAL LAND

Park Ave, Mount Sinai, NY 11766

Value Estimation by Request
0.58 AC lot
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Clubhouse Ct
VACANT COMMERCIAL LAND

Clubhouse Ct, Mount Sinai, NY 11766

Value Estimation by Request
2.82 AC lot
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Tyler St
VACANT COMMERCIAL LAND

Tyler St, Mount Sinai, NY 11766

Value Estimation by Request
0.35 AC lot
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Hallock Ave
VACANT COMMERCIAL LAND

Hallock Ave, Mount Sinai, NY 11766

Value Estimation by Request
0.38 AC lot
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Mt Sinai Coram Rd
VACANT COMMERCIAL LAND

Mt Sinai Coram Rd, Mount Sinai, NY 11766

Value Estimation by Request
1.16 AC lot
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Rte 25a
VACANT COMMERCIAL LAND

Rte 25a, Mount Sinai, NY 11766

Value Estimation by Request
1.21 AC lot
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466 Rt. 25A
Land

466 Rt. 25A, Mount Sinai, NY 11766

Value Estimation by Request
66,064 sqft
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295 Ny-25A
Land

295 Ny-25A, Mount Sinai, NY 11766

Value Estimation by Request
2.70 AC lot
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185 Country Rd
Farms

185 Country Rd, Mount Sinai, NY 11766

Value Estimation by Request
7.50 AC lot
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Rte 25a
VACANT COMMERCIAL LAND

Rte 25a, Mount Sinai, NY 11766

Value Estimation by Request
2.35 AC lot
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Rte 25a
VACANT COMMERCIAL LAND

Rte 25a, Mount Sinai, NY 11766

Value Estimation by Request
0.32 AC lot
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Plymouth Ave
VACANT COMMERCIAL LAND

Plymouth Ave, Mount Sinai, NY 11766

Value Estimation by Request
View details

Mount Sinai, NY Land Market Trends and Statistics

Explore 72 land for sale in Mount Sinai, NY, showcased through 6 active listings on our real estate platform. These investment opportunities span a total of 87,000 square feet of properties for sale, with an estimated market value of $10,697,998.

Sale prices for lots in Mount Sinai, NY start at $0.00, averaging $1,782,999, 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
Waterfront Land 2

Demographics Overview

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

High-Yield Neighborhoods for Investment

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

Neighborhood Average Price
11766 $2.1M

Listings Trend

New vs delisted commercial listings in Suffolk County

New Delisted

Total CRE Inventory on Market (SF)

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