If you google Oahu Mermaid Caves you will be treated to hundreds if not thousands of photos and tourists (and even some locals) talking about these gorgeous and mysterious caves located on the west side of Oahu. Post after post will tell you how difficult these caves are to find and to get down into, but the pictures convince you that it is well worth the effort and the risk. You will find photo after photo of crystal clear waters and gorgeous caves, exactly like what you would imagine mermaids would hang out in. You will be convinced that if you ever got to Oahu, you will need to find…