Welcome to Onslow Bay! Onslow Bay is a family friendly community conveniently located just outside of Marine Corps Base Camp Lejeune. Onslow Bay is located minutes to easy access to area schools, shopping, dining and fun. Select from a wide variety of floorplans. Top local builder, Sydes Communities, introduces beautiful and affordable new homes STARTING in the low $180k’s. Call, text, email or sign up on our website today to customize your dream home!