Ready, set—jump in! Here's your chance to explore two of Grand Cayman's most stunning snorkeling destinations. First behold the 251-foot-long USS Kittiwake, a former U.S. Navy submarine rescue vessel that was repurposed as an artificial reef off of the famous Seven Mile Beach. As you skim the shallow waters around the massive vessel, you'll catch a glimpse of the ship's main decks, smokestacks, engine rooms, and the bottom of its hull. Then it's on to nearby Cheeseburger Reef, where you'll flutter around clear turquoise waters up to 20-feet deep. Be sure to keep an eye out for angelfish, parrotfish, manta rays, and sea turtles—all of which call these waters home. Enjoy light refreshments and a quick stop in town for souvenir shopping before heading back to port.