"Calhau," a masterpiece by a NYC textile merchant, offers sustainable living with panoramic ocean views of Foss Beach, Awcomin Marsh & Rye Harbor. This 3,786 sq ft home blends heritage with modern luxury. The chef's kitchen boasts custom cabinetry, honed granite, and an Italian tile backsplash. Dual living rooms with expansive windows perfectly frame sweeping oceanfront views. The first-floor primary suite features marsh views and a spa-inspired bath. Two additional bedrooms each have en-suite baths. Interior details include: floating metal staircase, white oak wide plank flooring, 800 bottle wine cellar, and an interior greenhouse. 114" Marvin doors create seamless indoor-outdoor flow. Additional interior highlights include: custom lighting, wood-burning stoves, and repurposed elements from "Lexcasa" a Manhattan townhouse. Designed for connection to the outdoors, Calhau features abundant natural light through large-scale windows and doors, Brazilian wood decks, and a seamless flow between interior and exterior spaces. A 28-panel solar array with a battery system ensures lower utility costs and peace of mind during storms. This home boasts an impressive HERs index score of 27, and Platinum level LEED ranking, placing it among the most energy efficient homes on the market. A rare opportunity for the eco-conscious buyer or savvy 1031 investor seeking a legacy home "built for the 21st century" in one of Rye’s most coveted oceanfront settings.