523 Long Beach Road, Nissequogue, NY 11780

523 Long Beach Road, Nissequogue, NY 11780

$3,575,000 · 6 bed · 7 bath · 8,500 sq ft · built 1971 · MLS# 1048898 · Active

Nestled on two private acres in the Incorporated Village of Nissequogue, this extraordinary estate offers beautifully reimagined living space where luxury, comfort, and timeless design come together. The home underwent a remarkable architectural transformation, completely reimagining the interior and exterior while preserving the character and presence of an established North Shore estate. Every detail was thoughtfully redesigned with an emphasis on exceptional craftsmanship, modern functionality, and elegant living. Rich white oak floors, custom stone surfaces, and exquisite finishes create an atmosphere that is both sophisticated and inviting. Designed for everyday…

Single-family homes in the Smithtown Central School District sold for a median of $845,000 (typically $735,000–$995,000) across 440 recorded sales between Oct 6, 2025 and Oct 2, 2026, up 5% on the 12 months before. This home's $3,575,000 list price sits in the luxury single-family tier for the Smithtown Central School District.

ZIP 11780 has about 3.6 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 $29,164 a year, this home's property tax runs roughly 94% above the $15,000 typical for Smithtown Central 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

Listings courtesy of OneKey® MLS as distributed by MLS GRID.

Based on information submitted to the MLS GRID as of October 11, 2026 3:30 am. 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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Nissequogue Market Trend

Over the past 2 years, Nissequogue has resisted a single storyline: the median sale price has bounced between $602K and $1.01M, the kind of swing that typically reflects a thin or mixed market. After a softer stretch, the most recent months have seen prices tick back up. The typical recent sale has taken about 25 days to go under contract.

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