Kauai’s clean, clear offshore waters attract scuba divers from all over the world. There is a dive shop in almost every town on the island, so gear rental, air, and instruction can be easily found. Scuba lessons and certification for beginners is available in most towns. Some adventurous tours included a Na Pali Coast Tour along with a stop at the forbidden island of Niihau where you can snorkel and dive in its crystal clear waters. There is a dive shop in almost every town on the island, so gear rental, air, and instruction can be easily found.