20 Oak Lane, Hampton Bays, NY 11946

$2,399,900 · 5 bed · 5 bath · 4,263 sq ft · built 1978 · MLS# 847747 · Active

Experience the best of the East End from this waterfront retreat in Hampton Bays’ exclusive Old Harbor Colony. Set on a quiet street with beautiful water views, 20 Oak Lane offers a rare blend of space, light, and true boating lifestyle—just minutes to ocean beaches, waterfront dining, and everything the Hamptons have to offer. With over 4,200 square feet of interior living space plus a two-car garage, five bedrooms (including two primary suites), four full baths, and one half bath, this home is designed for relaxed coastal living and effortless…

Single-family homes in the Hampton Bays Union Free School District sold for a median of $1,000,000 (typically $850,000–$1,500,000) across 134 recorded sales between Oct 6, 2025 and Oct 2, 2026, up 14.9% on the 12 months before. This home's $2,399,900 list price sits in the luxury single-family tier for the Hampton Bays Union Free School District.

At about $20,535 a year, this home's property tax runs roughly 157% above the $8,000 typical for Hampton Bays Union Free School District. Suffolk bills combine town, school and special-district levies, so two homes at the same price in neighboring districts can carry materially different taxes. Exemptions such as STAR, Senior or Veteran move the number as well — a new owner's bill is often not the same as the seller's.

OneKey MLS (recorded LI sales, trailing 12mo) + actual tax