Wai'anapanapa State Park
At the black sand beach, you can admire its striking beauty with dark volcanic sand/rocks and clear blue waters. Have a tasty lunch while enjoying the amazing coastal views. If the weather's nice, take a dip in the ocean for a refreshing swim. Nearby, explore a lava tube created by ancient volcanic eruptions, which gives a peek into the island's geological past. Plus, you can go for a scenic walk along the trail to soak up the natural beauty all around you.