Expert dive masters lead two tank dives with groups of certified divers in altitudes of up to 7,000 feet in crystal-clear Lake Tahoe waters

Eco-friendly 21-ft. boat with heated cabin enclosure, included life jackets & iPod-ready speakers floats adventurers, who may bring snacks

Fifty-foot catamaran traverses historical sights & wildlife grounds that host dolphins & pelicans, & guests sip unlimited beer & wine

Experienced captain leads custom tours through stunning lakes & marshlands, where gators, bald eagles & manatees await photo ops

Instructors who’ve logged over 2,500 dives pass on aquatic wisdom to students who dive nine times for lifetime scuba certification

Trained naturalists lead explorers in stable double kayaks through protected waters to view otters, harbor seals & seabirds

Two-weekend open-water training begins with pair of 4-hour pool sessions before trip to Avalon, Catalina Island for two days of scuba diving

Singing gondolier steers private gondola through Mandalay Canal & Lake Carolyn while passengers enjoy bottled beverage & gourmet chocolates

Boaters receive paddling instructions, kayaking gear & map of area before gliding through tranquil estuary waters in new kayaks

Naturalists lead 90-minute tour of coast & San Francisco Bay, educating amidst views of Golden Gate Bridge, Angel Island, seals & waterfowl