A 13-minute walk from Honl’s Beach in Kailua-Kona, Castle At Royal Sea offers accommodations with access to a hot tub. The property is around 5.7 miles from Kaloko-Honokohau National Historic Park, 13 miles from Kealakekua Bay, and 16 miles from Kealakekua Bay State Historical Park. Ahu'Ena Heiau is 2.3 miles from the apartment, and Honokohau Harbor is 5.9 miles away. Each unit has air conditioning, a private bathroom, and a well-equipped kitchen including a dishwasher, oven, microwave, and a stovetop. Kitchenware and coffee machine are also offered. Pu'uhonua o Honaunau National Historical Park is 22 miles from the apartment, while Hulihee Palace is 2.1 miles from the property. Ellison Onizuka Kona International at Keāhole Airport is 9.3 miles away.