11 Bay Avenue

Water Mill, NY 11976

1-Acre Building Lot in Water Mill, NY — Fully Approved Plans & Permits. A rare opportunity to build a modern Hamptons retreat in the heart of Water Mill. This one-acre property is delivered with fully approved plans and permits for a 7-bedroom, 8-bathroom luxury residence totaling 6,284 sq. ft., plus a 2,755 sq. ft. finished basement. In addition to the approved plans, the seller has developed an alternative modern design concept accompanied by a complete interior design package — offering a turnkey vision for a contemporary and elegant home. The design emphasizes open living spaces, abundant natural light, and a seamless indoor-outdoor flow, all complemented by a private pool area ideal for entertaining and relaxation. With all approvals in place, this project is ready to break ground immediately. Located south of the highway in one of Southampton's most sought-after enclaves, this offering is ideal for developers, investors, and end-users looking to build their dream Hamptons home.

Listing courtesy of World Prop Intl Sea to Sky matthew@wpinewyork.com


Based on information submitted to the MLS GRID as of 2026-05-13 09:07 AM EDT. 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.