Love the idea of exploring the depths of the sea? There are all kinds of exotic under the sea trips available, from snorkelling and scuba diving to underwater hotels. Here are some suggestions for your next trip. For many people, scuba diving is the first trip that comes to mind when considering under the sea explorations. There are all kinds of scuba diving trips that can fit into any budget. Whether it’s the Caribbean, Mexico’s Mayan Riviera, the Florida Keys, or even New England, many of these exotic locations offer scuba instruction as well as a front row seat to coral reefs, exotic fish and shipwrecks.