Get it while you still can: A new three-unit luxury development directly on Sag Harbor Cove has only one unit left. Michael Hirtenstein, the real estate investor and nightlife impresario, purchased 2 West Water Street’s Residence C, in shell condition, for $15,003,789 on July 21, according to deed transfers this month. The last asking price … Continue reading Sag Harbor Waterfront Unit Sells for $15 Million; One More Left in J. Bialsky Development