It is located at the end of Waiʻanapanapa Road off Hana Highway at mile marker 32, 53 miles (85 km) east of Kahului, Maui.

Waiʻanapanapa means "glistening fresh water" in the Hawaiian language, referring to nearby fresh water streams and sparkling pools.

Tide pools at the park turn red several times of a year.

Scientists state that it is due to the arrival of small shrimp, however local folklore says it is the blood of Popoaleae, a mythical princess who was murdered in a nearby lava tube by her husband, Chief Ka'akea.

Waiʻanapanapa State Park's natural features include:[4]