Escape to your own waterfront haven at 617 Rountree Drive, a hidden gem nestled in the luxurious Longboat Key Estates community! Tucked away on a tranquil street, this 3-bedroom, 2-bathroom home offers an exceptional coastal lifestyle along with strong investment upside in an area surrounded by multi-million-dollar modern updates. Step directly into your backyard to take in serene canal views outside stretching toward Sarasota Bay and the Intracoastal waterway, complete with 100 feet of upgraded seawall (2022) and a 16,000-lb boat lift (2022)-saving you massive upfront capital costs and offering immediate, bridge-free water access. As a resident, you also enjoy deeded beach access to a resident-only Gulf-front beach and Tiki hut just a five-minute stroll away. Whether you choose to enjoy the existing home, customize the footprint, or build new, this generous lot provides an ideal canvas to capitalize on the neighborhood's continuing transformation. All this, just minutes from Bayfront Park's pickleball and tennis courts, kayak launches, St. Armands Circle, fine dining, downtown Sarasota, Van Wezel Performing Arts, shopping, Sarasota-Bradenton International Airport, and the wonderful Florida lifestyle!