Identical versions of this trip are offered by Tongass Kayak Adventures and by Sea Trek.
Tongass Kayak Adventures, P.O. Box 2169, Petersburg, Alaska; phone, (907) 772-4600; e-mail, email@example.com.
Sea Trek, P.O. Box 1987, Sausalito, Calif. 94966; (415) 488-1000; firstname.lastname@example.org
Teen trip: In addition, Sea Trek runs a slightly less expensive version of the trip designed for teenagers and their parents. Parents kayak among whales while their children explore the glaciers, and vice versa.