Snorkeling
Body Glove Hawaii Cruises, Captain Zodiac Raft Adventures, Sea Quest Rafting and Snorkeling Adventures
Atlantis Submarines
Underwater tours from Kailua pier to coral reefs and underwater ecosystems. Small map and online reservations available.
Trekking Hawaii: Sea Kayaking on the Big Island
Established by Kelly Harrison in early 2002. Includes guided day and overnight trips, hiking, snorkel tours, company philosophy, terms and conditions, rates and forms of payment accepted.