Cape Carteret, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cape Carteret, North Carolina, United States, is known for its proximity to the Crystal Coast and the nearby attractions of the North Carolina Aquarium at Pine Knoll Shores and the Croatan National Forest. The best time to travel to Cape Carteret, United States, is from late spring to early fall, with average air temperatures ranging from 70-85°F and water temperatures around 70-80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!