Marine Corps Base Hawaii, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Marine Corps Base Hawaii is known for its proximity to the iconic Kaneohe Bay and the scenic Mokapu Peninsula. The best time to travel to Marine Corps Base Hawaii is from April to October, with average air temperatures ranging from 75°F to 85°F and water temperatures around 77°F to 82°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!