Roosevelt Island is a unique, narrow island in New York City's East River that feels worlds away from the frantic pace of Manhattan. Historically, it was known as "Welfare Island" and housed various institutions like smallpox hospitals and asylums, the ruins of which—such as the Renwick Smallpox Hospital—can still be seen today. In the 1970s, it was redeveloped into a planned residential community designed for socio-economic diversity. What makes it "the deal" in 2026 is its tranquil, car-free atmosphere (most cars must park in a central garage called Motorgate) and its iconic Aerial Tramway, which offers a stunning high-value view of the skyline for the price of a subway swipe. The island is home to the Franklin D. Roosevelt Four Freedoms Park, a serene architectural masterpiece at its southern tip, and the high-tech Cornell Tech campus. It is a peer-to-peer favorite for those seeking a quiet walk along the waterfront promenade or a "hidden gem" perspective of NYC without the tourist crowds typically found in Central Park or Midtown.