Mt. Sinai Commerce Park - Medical Office Building

For Lease

12 Myrtle Street, Mount Sinai, NY 11766

The total number of office spaces available at Mt. Sinai Commerce Park - Medical Office Building is 1. Leasing opportunities in the building include medical office. There is a total of 43,000 square feet of space currently available for rent at this address. Of this, the minimum divisible area is 10,000 square feet.

Space Available For Lease 1

Contacts

Lee Rosner

NAI Long Island

Property Details

  • Property Type Office - Medical Office
  • Property Size 43,000 SF
  • Lot Size 4.66 Acre
  • Parking Spaces Avail. 283
  • Parking Ratio 6.58 / 1,000 SF
  • Property Tenancy Multi-Tenant
  • Building Class A
  • Date Updated May 18, 2026
Located on the south side of four-lane Route 25A, 1/2 mile east of Route 112. A four-way traffic light will be installed at the entrance to Commerce Park ensuring Excellent visibility. Immediate proximity to JT Mather/Northwell, St Charles/CHS, and Stony Brook University Hospital. The Property is located in an area that includes a number of affluent neighborhoods, including Port Jefferson, Belle Terre, East Setauket, Old Field, Strong's Neck, Head of the Harbor, Miller Place and Mt. Sinai itself. The community is supported by the three major hospitals, Stony Brook University, the 26,814-student crown jewel of the State University System (SUNY), Brookhaven National Laboratory and the main economic centers in Suffolk County of Hauppauge, Bohemia-Ronkonkoma-Holbrook, Deer Park and Melville. There are 95,719 businesses and 1,154,000 employees within a one hour commuting timeframe. 73% of the employment within a 10-minute commuting distance is White Collar.+/-43,000 SF two story medical office building on 4.55 acres Located on the south side of four lane Route 25A, 1/2 mile east of Route 112. Development will feature a new 4-way signalized intersection at 25A and Myrtle Street to be constructed by the master developer of the PDD.
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Highlights

  • Experienced Master Developer in place.
  • Immediate proximity to JT. Mather (Northwell), St. Charges (CHS) and Stony Brook University Hospitals.
  • Immediately access to Major 4-Lane Highway Running East/West w/40K Plus ADDT Traffic Count
  • New 4-way signalized intersection at Rte 25A and Mrytle St provided by Master Developer
  • Part of a large scale Planned Development which includes a 140 unit multi-family luxury rental complex on the rear 20 aces (under construction)..
  • Public Sewer Connection Available
  • Strong Demographics

Attachments

Getting around

  • 57/100

    Walk Score ®

  • 42/100

    Bike Score ®

Powered by Walk Score ®

Location

  • City Mount Sinai, NY
  • Zip Code 11766
  • Market Long Island

Points of Interest

  • Railroad Avenue

    1.15 miles

  • Highlands Boulevard

    1.16 miles

  • Port Jefferson Train Station

    1.27 miles

  • Port Jefferson

    1.30 miles

  • Platform B

    5.17 miles

  • Platform A

    5.18 miles

  • Stony Brook

    5.20 miles

  • Platform B - Crossover

    5.23 miles

  • Platform A - Crossover

    5.24 miles

  • Saint James

    7.53 miles

  • Speedway

    1.18 miles

  • Setauket Gulf

    4.18 miles

  • BP

    4.72 miles

  • ChargePoint

    5.24 miles

  • Valero

    5.25 miles

  • Mobil

    5.82 miles

  • Paumanok Path Parking

    4.30 miles

  • Health Sciences

    4.68 miles

  • Admin Overflow

    4.69 miles

  • Staff Parking Lot A

    4.74 miles

  • Hospital Parking Garage

    4.83 miles

  • Administration Parking Garage

    4.87 miles

  • Stadium Lot

    4.95 miles

  • SAC Lot

    5.07 miles

  • Chemistry

    5.09 miles

  • H Lot

    5.28 miles

  • America's Best Value Inn. Port Jefferson. NY

    1.09 miles

  • America's Best Value Inn

    1.10 miles

  • Danfords Hotel, Marina & Spa

    2.31 miles

  • Holiday Inn

    4.65 miles

  • Hilton Garden Inn Stony Brook

    4.82 miles

  • The Stony Brookside Bed & Bike Inn

    6.26 miles

  • Estate at Three Village Inn

    6.28 miles

  • Hampton Inn & Suites

    7.47 miles

  • Comfort Inn Medford-Long Island

    7.84 miles

  • Fairfield Inn Medford

    7.87 miles

  • Meat Farms

    0.94 miles

  • Uncle Giuseppes'

    1.13 miles

  • Ideal Food Basket

    1.28 miles

  • Marshalls

    2.18 miles

  • The Amazing Olive

    2.21 miles

  • Harbor Square Mall

    2.24 miles

  • Stop & Shop

    2.37 miles

  • Handy Pantry Friendly Food Store

    2.90 miles

  • Best Yet

    3.00 miles

  • Walmart

    3.24 miles

12 Myrtle Street Listing Brief

  • Leasing rates here can depend on a variety of factors, including the quality rating of the property (property class or building class), the position of the available space within the building, any unique attributes that the listed space may include, as well as on the availability of on-site or nearby amenities. Reach out using the contact form available on this page to schedule a tour or to get more detailed information on the most modern facilities and amenities that 12 Myrtle Street has to offer.

  • The property offers a parking ratio of 6.58 / 1,000 SF, which translates to a total of 283 parking spaces. See the listing area details for information and ratings regarding the degree of walkability in the neighborhood, the accessibility and frequency of public transit options, as well as the level of availability and quality of biking infrastructure in the area. What’s more, you can use the interactive map for a good overview of the area. Location details also include a breakdown of distance from the property to several essential amenities and points of interest, which may include parking facilities, fuel stations, stores, or hotels.

  • 12 Myrtle Street is rated class A. The building includes 43,000 square feet, of which 43,000 square feet is rentable office space.

Contact Listing Broker
Lee Rosner

NAI Long Island

  1. 1Main information
  2. 2Extra information
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