GETTING THERE: Commercial airlines fly nonstop to Guam from Honolulu and Tokyo, Hong Kong, Seoul and other major Asian cities. Guam is about seven hours from Hawaii and three hours from Tokyo by plane.
GUAM: The Guam Visitors Bureau office in Tumon Bay has booklets on diving, hiking and other activities around the island; www.visitguam.org or 671-646-5278/5279. The Web site also lists local accommodations, from global resort chains to budget options. U.S. citizens do not need a passport, but proof of citizenship — such as a birth certificate — is required for Americans visiting the island. Guam's currency is the U.S. dollar.
DIVING RESOURCES: Guam Tropical Dive Station — www.gtds.com or 671-477-2774; Micronesian Divers Association, www.mdaguam.com/ or 671-472-6321.
MARINE PRESERVE INFORMATION: Find out about Guam's five marine preserves from the island's Division of Aquatic and Wildlife Resources: www.guamdawr.org/aquatics/mpa/.