Rare opportunity to own a legal two-family home in Sea Gate, Brooklyn's only private gated beachfront community with private beach access. Welcome to 4400 Atlantic Avenue, a unique property offering both comfortable living and excellent rental income potential for investors or owner-occupants seeking flexibility in a waterfront setting. The main unit features 3 spacious bedrooms and 1.5 bathrooms, a newly updated kitchen with stainless steel appliances, recessed lighting, hardwood floors, and formal living and dining rooms filled with natural light. Enjoy water views from the dining room, adding to the home's coastal charm. The second unit offers a large one-bedroom layout with generous closet space, a living room, dining area, full bathroom, and a large storage room. Additional highlights include a two-car garage and ample storage space, a rare convenience in Brooklyn. Sea Gate residents enjoy exclusive amenities including private beach access, gated entry with security patrol, waterfront parks, playgrounds, basketball court, dog park, and a community chapel/event space. Conveniently located approximately 12 miles from Manhattan and about 8 miles from Staten Island, the neighborhood also offers easy access to major highways and public transportation, making commuting throughout New York City convenient while enjoying the tranquility of a private seaside community. Experience the unique lifestyle Sea Gate offers—where residents can stroll to the private beach, enjoy ocean breezes, and live in one of New York City's most distinctive waterfront neighborhoods.