I’ve been to Kauai several times now, and just when I think I’ve seen all the best beaches, this island surprises me again. Secret Beach in Kauai — also known as Kauapea Beach — is one of those places that makes you feel like you’ve stumbled onto one of the most beautiful stretches of coastline in all of Hawaii. When I first heard of Secret Beach, I immediately thought the person was talking about Hideaway Beach. It wasn’t until that person mentioned seeing views of the Kilauea Lighthouse that I realized she was talking about another beach entirely. Apparently confusing the two beaches is very common, but they are in…