2. Lava Tubes Erosional Caves

3. Sea Caves are created from the ocean attacking zones of weakness in Coastal sea cliffs. Sea caves are one of the most numerous types of caves all over the world. The largest groups of sea caves are found in Washington, Oregon, California, the Na Pali coast of Kauai, and the Greek Isles. Some of the only ways to get in the sea caves though are with kayaks or other small boats, by swimming in, or by wading or walking if the cave empties out at low tide.

4. Sea Caves inside are either wet or dry depending on the tide, they have many Creatures inside to, and there is calcite all over the walls. The creatures you might find inside consist of anemones, starfish, and sponges. There are also famous caves two of them are Blue Grotto, and Fingles Cave. The biggest sea cave ever is called Painted Cave and is located on Californias Santa Cruz Island. It is 1,227 ft. long and large enough to take a 20ft. Boat inside.