8 Hyanis Court, Mount Sinai, NY 11766

$925,000 · 3 bed · 3 bath · 2,362 sq ft · built 1988 · MLS# 1067583 · Coming Soon

Your own private retreat awaits! Welcome to this contemporary home situated on a private cul-de-sac in the desirable Nantucket Estates section of Mount Sinai. Built in 1989, this spacious home offers 3 bedrooms, 2.5 baths, and a versatile upstairs loft/office with built-ins. The primary suite features vaulted ceilings, walk-in closet and full closet, and a private bath with a Jacuzzi tub and separate shower, while an additional full bathroom serves the second floor. The formal living room boasts soaring vaulted ceilings, while the formal dining room features a convenient butler’s…

Single-family homes in the Mount Sinai Union Free School District sold for a median of $800,000 (typically $710,000–$985,000) across 103 recorded sales between Oct 22, 2025 and Sep 30, 2026, up 4.6% on the 12 months before. This home's $925,000 list price sits in the upper single-family tier for the Mount Sinai Union Free School District.

ZIP 11766 has about 2.4 months of single family inventory — seller's market. Demand is outpacing supply, so homes sell quickly with firm pricing and limited room to negotiate.

At about $17,530 a year, this home's property tax runs roughly 17% above the $15,000 typical for Mount Sinai 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