3645 and 3651 Soundview Avenue, Peconic, NY 11958

$6,200,000 · 7 bed · 5 bath · 4,628 sq ft · built 1986 · MLS# 1049858 · Active

Rare North Fork Beachfront estate, shy 3.25 acre compound! The main house features over 3,000 sq. ft. of living space and the beach house offers approximately 1,600 sq. ft. A powder white sandy path leads to a gorgeous private beach with 116+ ft. of waterfront. Enjoy panoramic water views of the sparkling Long Island Sound and enchanting sunsets with this incredible property that presents a multitude of opportunities for its next owner. Listed as a compound but also separately: see 3645 Soundview Ave - the main house (MLS #1007876) and…

Single-family homes in the Southold Union Free School District sold for a median of $985,000 (typically $765,000–$1,700,000) across 88 recorded sales between Oct 9, 2025 and Sep 22, 2026, down 9.9% on the 12 months before. This home's $6,200,000 list price sits in the luxury single-family tier for the Southold Union Free School District.

At about $29,067 a year, this home's property tax runs roughly 263% above the $8,000 typical for Southold 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