The sea caves near Honaunau should not be missed! These are one of the secrets of the Big Island. When visiting the Place of Refuge at Honaunau, you may want to rent a kayak and bring it along with you. Continue past the Park until you start to see dark lava rock cliffs in front of you. As you approach, you will make out the caves carved into the rock face. The persistent ocean has carved out these sea caves. Although the waves may be surging the beach and shore, the caves themselves are calm and we were able to kayak right into them! Following is the video and pictures of the sea caves in Hawaii of USA.