Houses/Mansions in Long Island

Sights Overview

Name	Category	Location

Cedarmere The prominent 19th-century poet, civic leader, and newspaper editor...	Houses / Mansions	Roslyn

Old Westbury Gardens Old Westbury Gardens is one of the few former Long Island estates...	Houses / Mansions	Old Westbury

Planting Fields Arboretum State Historic Park The home of insurance magnate William Robertson Coe from 1910...	Houses / Mansions	Oyster Bay

Raynham Hall Historical House Museum Three generations of the Townsend family, renowned merchants...	Houses / Mansions	Oyster Bay

Sagamore Hill National Historic Site Known for a time as the "summer White House," this 23-room Victorian...	Houses / Mansions	Oyster Bay

Travel Deals in Long Island