For Sale

21 Bay 3rd Street Islip, NY 11751

$599,995

Listed July 9, 2026

Listing courtesy of Steven J. Rainone CBR SRES, Netter Real Estate Inc MLS #KEY1023939

  • 2 beds
  • 1 bath
  • 1,188 sq ft
  • $505 per sq ft
  • 1929 built
Photograph of 21 Bay 3rd Street

About this home

Welcome to this charming 1930 Cape Cod located mid-block in the desirable St. Marks neighborhood south of Montauk Highway. Filled with character and thoughtful updates, this home features original built-ins in the kitchen, dining room, and primary bedroom, hardwood floors in the living and dining room, and a beautifully renovated bathroom with classic octagon ceramic tile. Four energy-efficient split units provide heating and air conditioning, complemented by smart thermostats, a new gas heating system, separate hot water heater, and 200-amp electric service. Flexible bonus spaces offer the perfect home office and playroom/Den. Enjoy front and rear in-ground sprinklers, low taxes, and an unbeatable location just minutes from Islip Beach, the marina, parks, shopping, restaurants, and the Long Island Railroad. A wonderful opportunity to own a home that blends timeless charm with today's modern conveniences.

Description supplied by the listing broker.

Features

  • First Floor Full Bath
  • Entrance Foyer
  • Formal Dining
  • Galley Type Kitchen
  • Low Flow Plumbing Fixtures
  • Original Details
  • Washer/Dryer Hookup

This listing

  1. July 9, 2026 Listed at $599,995 3 days ago

Location

21 Bay 3rd Street, Islip, NY 11751

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