2449F Union Boulevard #9B, Islip, NY 11751
$284,999 · 2 bed · 1 bath · 938 sq ft · built 1970 · MLS# 1020097 · Active
Welcome to Forest Green, where convenience, comfort, and resort-style amenities come together! This spacious 2-bedroom co-op is a rare opportunity to own in one of Islip's most sought-after communities, offering an incredible lifestyle with amenities you won't find just anywhere! Inside, you'll find a beautifully updated eat-in kitchen featuring granite countertops, stainless steel appliances, and ample cabinetry. There's a formal dining area and a breakfast nook, and new LifeProof flooring throughout. The bright and spacious layout offers comfortable living and generous bedroom sizes, with several large closets for storage! The…
Co-ops in the Islip Union Free School District sold for a median of $275,000 (typically $230,000–$300,000) across 36 recorded sales between Oct 9, 2025 and Oct 1, 2026, up 3.8% on the 12 months before.
ZIP 11751 has about 3.7 months of co-op inventory — seller's market. Demand is outpacing supply, so homes sell quickly with firm pricing and limited room to negotiate.
OneKey MLS (recorded LI sales, trailing 12mo) + actual tax

Listings courtesy of OneKey® MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of October 10, 2026 9:45 pm. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
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Islip Market Trend
Islip's monthly median has swung between $370K and $800K over the past 2 years — volatility that usually reflects a thin or mixed market rather than one steady trend. Recently, homes have been selling in about 33 days.
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Looking for off-market opportunities or a property attorney's read on this listing? Contact Joseph DeVito — Lic. R.E. Associate Broker + NY-licensed real estate attorney.
