U.S. News Insider Tip: The boat ride back from Molokini tends to get very windy and bumpy, which might not be suitable for those prone to seasickness. If you can't handle the boat trip ...

If you head offshore about an hour's boat ride from Maalaea Harbor, incredible snorkeling awaits at Molokini, a Hawaiian crater that's one of the world's most sought-after snorkeling spots.