After purchasing this deal, you will need to visit the website listed on your Groupon voucher to complete redemption. Departure time: 4:45 p.m., check in between 4:00 p.m. and 4:15 p.m. Departure location: Hawaii Kai location (377 Keahole Street, Honolulu HI 96825) Aboard Island Divers Hawaii’s vessel, the Sea Fox, whale watchers gather to catch humpback whales traveling to the warm waters of Hawaii to give birth. During the approximately two-hour tour, participants are likely to see mother whales with their calves and other sea life, such as bottlenose dolphins, flying fish, and green sea turtles. In addition to viewing the whales, visitors get to listen to the whales underwater using a hydrophone. A DVD packs a bounty of photos and video from the trip set to a soundtrack of whale songs, which also plays over the boat’s sound system during the tour. Tours take place on Saturdays, Sundays, Tuesdays, and Thursdays. Guests must check in before 4:15 p.m.