Brand New Waterfront Construction with Existing Boat House and Ramp! To-be-built 4BR, 3.5BA custom colonial on 1.78 private acres with waterfront access, boat ramp, and existing boathouse. Over 3,000 SF of living space plus full unfinished basement and oversized garage. First floor features open-concept kitchen with walk-through pantry, wine bar, living room with fireplace, study, and den. Upstairs includes a spacious primary suite with WIC's & spa bath. Covered front porch, energy-efficient systems, and in-ground pool. Propane boiler, Central AC, Andersen Windows, premium finishes. Quiet, private location with water views and direct access to Port Jefferson Boating scene. Don't miss the opportunity to build your custom waterfront home, minutes from all that Stony Brook and Setauket have to offer. Base home and specifications to be contracted with award-winning Kelly Builders, recently featured in Long Island Business News best hospitality projects of 2025 for the redevelopment of Seven Beach Lane in Westhampton Beach. Estimated timeline to completion is 1 year from contract. © 2025 OneKey™ MLS, LLC