1 East Main Street 5 Super Cool Main Street Apartment Main Street is the place to be in the amazing emerging market of Riverhead. Especially when you've got a sweet two-story apartment right on Main Street with water views. Located in a beautifully renovated boutique building with an elevator, this one bedroom/one bath apartment features a visually appealing streetscape, excellent proximity to shops and restaurants, entrances on both floors, and access to the scenic Peconic River Boardwalk. Don't miss out on the opportunity to experience the renaissance of Riverhead.