Garden Eel Cove is a muck dive site near Kailua-Kona, in the United States of America, in the Pacific Ocean. It is reached by boat and rated for beginner divers. The site attracts divers for its abundance of manta rays, which are resident there. Kona manta ray operators work to a voluntary set of standards. Diving conditions are rated good throughout the year, with the best months from May to September. Great barracuda, moray eels, frogfish and scorpionfish, cephalopods and nudibranchs are occasionally seen around the cove. Dolphins and whales are also occasionally seen.