Apart from primarily utilitarian trips across the Mar Menor to settlements like Santiago de la Ribera and Los Alcazares, several boat operators offer guided leisure rides - these often include a tour of coastal attractions, along with stops for swimming out at sea or one of the area's many beaches. One company that offers these (and other) services is Solaz Lines:

Sharks and thousands of other marine creatures from the seas off South Africa’s coasts swim in the huge glass tanks of this excellent aquarium. This aquarium showcases the Marine life of the Indian Ocean as well as the Atlantic Ocean, hence the name.

Positioned at the easternmost end of the Belize Barrier Reef, Lighthouse Reef is an atoll situated in the Caribbean Sea along with two other atolls, Turneffe Atoll and Glover's Reef. Approximately 80 kilometers (50 miles) southeast of Belize City, the Lighthouse Reef is perfectly positioned to offer a stunning view of the Caribbean Sea. Whether you prefer to explore independently or with a guide, you can immerse yourself in the lively coral reef ecosystem and observe its diverse fauna, including Caribbean reef sharks, blacktip sharks, barracudas, stingrays, turtles, and an abundance of other fish.

Besides visiting the famous Elephant Rock, be sure to enjoy the delicacies of this Medieval town. In the winter, make sure to try the seasonal speciality — spaghetti with sea urchin and in the summer time, lobster is the dish to order. Castelsardo is located about 70 km north of Alghero.