24 Cottage Avenue, Islip, New York 11706

Waterfront Commercial Opportunity
Welcome to a once-in-a-lifetime waterfront commercial property located in the heart of a thriving historic downtown and marine district. Perfectly positioned along the Great South Bay, with views spanning From Bellport to Babylon; and of Fire Island. This iconic facility is now available to the public for the first time in over 65 years. Property features include: 40x100 Main Floor, with 2 Full Size Garage Bays, 15 Ft Ceilings, Private Office with Private Bathroom, Brand New Customer and Employee Bathroom, and Full Length Attic with Dormer. This property also Has a 2 Year old Roof, Gas Radiant Heat in floor, with separate forced Air Heat in Front Showroom.
?? Prime Location?Set amid one of Long Island’s most active maritime corridors, this property benefits from constant foot and vehicle traffic and has even been featured in television productions for its unbeatable location and authentic coastal charm. This Property has Unmatched Views of the Bay and Fire Island.
?? Turnkey Waterfront Business?This sale includes a fully operational and successful marine service business, complete with equipment: Forklifts, Trailers, and 25 Ton Travel Lift’s with Boat Slips. Business infrastructure, and exclusive dealership agreements, also included in Sale. Enjoy direct water access with seamless loading and docking — the ideal launch point for Fire Island and beyond.
??? Incredible Potential for Redevelopment?This property offers endless possibilities. Reimagine it as a Multi-unit waterfront Condo Project , restaurant, event venue, brewery, entertainment hub, or other high-demand waterfront use — subject to approvals.
Key Highlights:
Over 65 years of private ownership — first time on market
High visibility in a rapidly growing downtown district
Direct Great South Bay access with docking
Turnkey operation with business, equipment & dealership rights
Flexible commercial redevelopment potential

?? Do Not Miss This Opportunity
Whether you're an entrepreneur, developer, or investor, this property offers a rare blend of history, location, and potential that simply can’t be duplicated. Unlock the power of waterfront ownership in one of Long Island’s most sought-after downtown communities.
Seller Financing available!