Welcome to 71 Dyke Road, Setauket Custom-built ranch! Nestled in the highly sought-after Strongs Neck section of Setauket, this custom-built ranch is perfectly situated on 1.4 private acres and offers direct water access and dock from your own backyard. Built in 2001 and meticulously maintained, this beautiful home features 4 spacious bedrooms, 2.5 baths, soaring ceilings, an expansive eat-in kitchen that serves as the heart of the home, and a sun-filled three-season room that provides the perfect place to relax and enjoy the tranquil surroundings. The inviting living room is highlighted by a fireplace, creating a warm and welcoming gathering space. Step outside to a large wraparound composite deck overlooking the backyard and a unique heated above-ground pool, creating the ideal setting for outdoor entertaining, family gatherings, and summer enjoyment. Waterfront enthusiasts will appreciate direct water access, dock , deeded Beach and mooring rights and membership in the Little Bay Beach Association featuring a boat ramp for easy access to boating, kayaking, paddleboarding, fishing, and all that the North Shore coastal lifestyle has to offer. A massive 2,546 sq. ft. unfinished basement with 8-foot ceilings and an outside separate entrance (OSE) offers endless possibilities for storage, recreation, a home gym, workshop, or future finished living space. Additional features include radiant heat throughout the home, central air conditioning, a heat pump system, an EV charger, a two-car garage, 14 fully paid-off solar panels, and a new roof installed in 2025 with warranty. This is a rare opportunity to own a custom-built waterfront ranch in one of Setauket's most desirable and sought-after neighborhoods.