357 E 57th Street 10-C Outstanding opportunity to customize a high-floor alcove studio in a full-service luxury co-op. Perched on the 10th floor in prestigious Sutton Place, this bright and spacious alcove studio offers an unbeatable opportunity to design your dream Manhattan home or city retreat. Offered in original condition by a motivated seller, Unit 10C is priced to allow you to bring your contractor and custom touch. Bathed in bright morning eastern light through a wall of windows, the generous floor plan features a deep sleeping alcove that easily converts into a private 1-bedroom suite-a true blank canvas with endless potential. Residents enjoy 24/7 doorman service, a live-in superintendent, and a furnished roof deck with panoramic city views. Perfectly situated on iconic East 57th Street, just a short stroll from the United Nations, East River Greenway, Trader Joe's, and Sutton Place dining, this quiet retreat is backed by a flexible co-op board permitting pieds-a-terre, subletting, and pets.