Kaimū beach is a very young black sand beach south of Pahoa in the Puna district on the Big Island. Kaimū bay used to be home to one of the most beautiful and famous black sand beaches of Hawaii, until the bay got covered by 50 ft of lava in
Tide Pools, some are like geothermally heated lava hot tubs, crystal clear water, excellent snorkeling! Puna/Vacationland rentals may have one right in the backyard! My 5 & 7 yr old boys loved this spot.