Underwater tourism involves exploring marine environments, often through activities like snorkeling, scuba diving, and underwater tours. This type of tourism allows visitors to experience the beauty of coral reefs, marine life, and underwater landscapes, promoting awareness of ocean conservation. Many destinations, such as the Great Barrier Reef in Australia and the Red Sea in Egypt, attract tourists seeking underwater adventures. Facilities like submersibles and underwater hotels enhance the experience, providing unique views of the underwater world while supporting local economies and conservation efforts.