1.5-hour cruises launch at 5:30 p.m. Thursday–Saturday & include music, soft bar, potential dolphin sightings & laid-back atmosphere

Narrated tour of Philadelphia harbor on modern, three-deck yacht departs Sundays at 1 p.m., May through September

Narrated tour of Philadelphia harbor on modern, three-deck yacht departs Sundays at 1 p.m., May through September

Narrated tour of Philadelphia harbor on modern, three-deck yacht departs Sundays at 1 p.m., May through September

Floating amid nightclub-like atmosphere, guests dance to DJ's eclectic playlist, sip drinks from cash bar & nosh on buffet

Seats, chrome, decks & hulls gleam after boat detail & engines purr after oil change at boat-manufacturer HQ

Watersports emporium outfits adventurers with jet skis for use on any Highland lake

Naturalists educate amid views of Golden Gate Bridge, Angel Island, seals & waterfowl & private charter enables floating merrymaking

Renovated WWII amphibious cruiser ushers passengers down Boston city streets & across waterways during award-winning tours

Instructors with Coast Guard captain's licenses teach three- to four-hour intro-level keelboat sailing lessons aboard Hunter 216 vessels.