115 Riviera Drive Coastal living with water views, marina access, and future upside. Directly across from Marina 1 on a 100x100 corner lot, this 2-bedroom, 2.5-bath Mastic Beach home offers canal access and easy boating to Narrow Bay, Moriches Inlet, and Westhampton Beach. Inside features include 10' ceilings, central air, propane heat/cooking/hot water, a functional kitchen with Corian countertops, guest suite with private full bath, dedicated laundry room, and a full attic with possible expansion potential subject to approvals. Outside offers a detached garage, shed, vinyl-fenced yard, concrete patio, and security system. Current flood insurance is approximately $800/year. Recent nearby improvements include newly paved roads, curbing, and drainage-related upgrades, with the broader Mastic Beach revitalization initiative continuing to bring renewed attention and investment to the area. A strong coastal opportunity as the spring/summer market begins to heat up.