Keauhou Bay on the Big Island’s Kona Coast is located just 15 minutes south of Kailua-Kona and is known for calm waters, ocean tours, and cultural significance. It’s the launch point for manta ray night snorkels, dolphin cruises, kayaking, and paddleboarding. Visit historic sites like the birthplace of King Kamehameha III. With scenic views and marine adventures, Keauhou Bay is a must-visit for families and ocean lovers.