Three Mile Harbor is where East Hampton keeps its boats, and the streets around it are the town's boating market. Marinas line the harbor and Hog Creek to the east, and the harbor gives protected access out to Gardiners Bay and beyond. Housing runs from modest older cottages on interior streets to substantial waterfront houses with docks or mooring access, plus a stretch of bay-facing properties along Sammy's Beach Road toward the harbor mouth. Maidstone Park sits at the harbor entrance with a bay beach, ball fields, and boat ramp. Buyers here are usually choosing water access over walkability, and dock rights or mooring availability should be confirmed property by property rather than assumed. Waterfront and dock-access properties command a substantial premium over inland houses in the same area.