Pacific Whale Foundation
- Naturalist-led whale and dolphin watching cruises from Lahaina and Ma'alaea, Maui. Includes daily sighting reports.
- http://www.pacificwhale.org/ecotours/tours.php?catid=96

One Love One Spirit
- Offers dolphin swimming and whale watching together with dolphin photos, art, healing seminars, psychic readings spiritual products, and services for metaphysically minded new age people.
- http://www.oneloveonespirit.com/

Dolphin Excursions
- Oahu based dolphin and whale watching tours, and swimming with dolphins.
- http://dolphinexcursions.com/

Dolphin Discoveries
- Offers watching excursions, sea cave explorations and snorkeling adventures off the Kona coast, as well as vacation rentals. Includes trip details.
- http://dolphindiscoveries.com/

Wild Side Specialty Tours
- Marine biologists aboard 42 foot sailing catamaran, operate dolphin and whale watching cruises from Waianae Harbour, Oahu.
- http://www.sailhawaii.com/

Na Pali Explorer
- Snorkel and whale watching tours of Kauai's Na Pali Cliffs.
- http://www.napali-explorer.com/

Captain Dan's Whale Watch
- Year-round whale and dolphin watching boat tours departing from Honokohau Harbor in Kailua-Kona. Includes chart showing types of whales and when they are in Hawaiian waters.
- http://www.ilovewhales.com/