Atlantis Submarines. This is the underwater adventure for the unadventurous. Not fond of swimming, but want to see what you've been missing? Board this 64-passenger vessel for a ride past shipwrecks, turtle breeding grounds, and coral reefs. The tours, which depart from the pier at the Hilton Hawaiian Village, are available in several languages and start at $119. A smaller 48-passenger boat starts at $109 per adult. Hilton Hawaiian Village Beach Resort and Spa, 2005 Kalia Rd., Honolulu, HI, 96815. PHONE: 808/973-1296 or 800/548-6262. www.atlantisadventures.com.