Kona Manta Ray Dives: One of Hawaii’s Most Unforgettable Experiences Few ocean adventures compare to Kona manta ray dives, a world-famous nighttime experience found almost exclusively along the Kona Coast of Hawaii. Swimming alongside giant manta rays as they glide effortlessly through the water is a bucket-list activity for travelers visiting the Big Island — and one of the top reasons guests choose Kailua-Kona for their vacation. Unlike many dive...