1. Tenerife: Underwater Lava Tongues Snorkel Excursion
Depart Tenerife on this excursion with expert guides. See how the volcanic activity formed incredible shapes of stone under water while snorkeling in the crystal clear waters of the Atlantic Ocean. Witness how the island was formed both above and and under water as a result of the volcanic activity. Explore the unique lava tongues while the instructor takes photos and videos for you to keep.