Lake Neptune   Be the first to submit input for Lake Neptune. If you have info on Lake Neptune, Duval County, Florida please submit it here to improve this web site.          These outdoors activities are available near Lake Neptune.   Public Lands Near Lake Neptune: Little Talbot Island State Park, Florida, 8 miles away Big Talbot Island State Park, Florida, 11 miles away Guana Tolomato Matanzas National Estuarine Research Reserve, Florida, 14 miles away Timucuan Ecological & Historic Preserve, Jacksonville - FL, 7 miles away Castillo De San Marcos National Monument, St. Augustine - FL, 26 miles away Cumberland Island National Seashore, Saint Marys - GA, 29 miles away   Marinas On or Near Lake Neptune: Morningstar Marinas at Mayport, Jacksonville Beach, 1 miles away Beach Marine, Jacksonville Beach, 2 miles away Monty's Marina Charter Fishing, Atlantic Beach, 5 miles away Clapboard Creek Marina, Jacksonville, 9 miles away Liquid Sports Marine, Jacksonville, 10 miles away   Camp Grounds Near Lake Neptune: Little Talbot Island State Park, Jacksonville, 8 miles away Regency Trailer Park, Jacksonville, 9 miles away   Hotels Near Lake Neptune: Palms Retro Hotel, Atlantic Beach, 0 miles away One Ocean Resort Hotel and Spa, Atlantic Beach, 0 miles away Days Inn Neptune Jacksonville Beach Mayport Mayo Clinic NE, Neptune Beach, 1 miles away Sea Turtle Inn, Atlantic Beach, 1 miles away Fairfield Inn & Suites Jacksonville Beach, Jacksonville Beach, 1 miles away   Golf Courses Near Lake Neptune: Queen's Harbour Country Club, Jacksonville, 4 miles away Jacksonville Golf & Country, Jacksonville, 5 miles away