Mt Sinai, NY Commercial real estate for Rent & Lease

$14 SF/Yr

Multi-Tenant Office Building

Portview Building - 28 N. Country Road, Mount Sinai, NY 11766

Modified gross terms include gas and water, with fiber optic service, elevator access, and on-site parking.

Multi‑tenant office building built in 1988
Modified gross leases include gas and water; utilities are $3.50 psf
Fiber optic data cable and 24/7 tenant access with security camera system
Elevator service to all floors
On‑site parking with good tenant signage

Updated: Jun 2

View details

Contact for pricing

42,800 SF

Retail and Medical Office Space

2 Myrtle St, Mt Sinai, NY

Planned development with retail, medical office, and luxury rentals.

Approved Planned Development District (PDD) Master Plan allows for diverse uses.
High‑traffic location on four‑lane Route 25A, near Route 112.
Development includes a new 4‑way signalized intersection at 25A and Myrtle Street.
Potential for 15,400 sf of retail space suitable for a market/grocery anchor.
Divisible 5,000 SF pad site with drive‑through potential.

Updated: Nov 24, 2025

View details

$22 SF/Yr

2,500 SF

Mount Sinai Retail Space Available

Retail space in large shopping center, Mount Sinai, NY.

5505-5507 Nesconset Highway, Mount Sinai, NY

View details

Contact for pricing

5,000 SF

Divisible Pad Site For Rent

Divisible pad site with drive-through available for rent.

9 Myrtle St, Mt Sinai, NY

View details

$14 SF/Yr

Mount Sinai Office Space Available

Office space for rent near Port Jefferson Village.

28 N Country Rd, Mount Sinai, NY 11766

View details

Contact for pricing

2,400 SF

Mount Sinai Retail Space

Retail space available for rent in Mount Sinai, New York.

21-51 New York 25A, Mount Sinai, NY

View details

Retail and Medical Development Opportunity

Contact for pricing

88,200 SF

Retail and Medical Development Opportunity

Land available for retail, medical office, and luxury rentals.

12 Myrtle St, Mount Sinai, NY 11766

View details

Based on your search, we've compiled 15 Potential Opportunities for your consideration. Besides 7 Active listings in Mt Sinai, NY, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 4 Properties for Sales.

Commercial real estate for Lease in Nearby Cities

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

$2,600/Mo

Office/Beauty Services Rooms Available

Five-room office space suitable for beauty services, parking available.

409 Patchogue Rd, Port Jefferson Station, NY 11776

View details

$2,900/Mo

Gated Flex Warehouse Suite

Secure gated industrial space with 24-foot ceilings and a 11x11 electric bay door for practical storage or light operations.

50 N Columbia Street, Port Jefferson, NY 11777

View details

$25 SF/Yr

6,800 SF

Port Jefferson Station Office Space

6,800 SF office space available for lease.

170 N Country Rd, Port Jefferson Station, NY

View details

Contact for pricing

650 SF

Port Jefferson Office Space Available

650 square feet office space for rent in Port Jefferson.

625 Belle Terre Rd, Port Jefferson, NY

View details

Similar Spaces for Sale in Mt Sinai, NY

Consider Similar Space for Sale. We found 4 Spaces matching your search parameters.

$480,000

1.28 Acres

Vacant Land in Mount Sinai

Vacant land in historic district with winter waterview.

28 Rocky Hill Road, Mount Sinai, NY 11766

View details

$1,300,000

4,210 SF

Mount Sinai Mixed-Use Investment

Two buildings with restaurant, apartment, and cottage; 100% occupancy.

749 Mount Sinai Coram Rd, Mount Sinai, NY

View details

$8,500,000

Mount Sinai Land For Sale

Commercial land available on Route 25A in Mount Sinai.

306 Route 25A, Mount Sinai, NY 11766

View details

Commercial Development Sites on Route 25A

Contact for pricing

87,000 SF

Commercial Development Sites on Route 25A

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

12 Myrtle St, Mt Sinai, NY 11766

View details

Mt Sinai, NY Commercial real estate Leasing Opportunities Market Analysis

Explore Commercial real estate leasing options in Mt Sinai, NY with 7 listings featured on our commercial real estate exchange. The current inventory includes 2,500 square feet of properties with an estimated lease value of $22 SF/Yr.

Estimated lease rates for Commercial real estate in Mt Sinai, NY begin at $22 SF/Yr, with an average of $22 SF/Yr and extend to $22 SF/Yr.