Mahai’ula section has a sandy beach and dune offering opportunities for swimming and beach-related activities. A picnic area with tables is available. A 4.5-mile hike north through this wilderness park on the historic coastal trail, Ala Kahakai, leads to Kua Bay. Midway, a hike to the summit of Pu’u Ku’ili, a 342-foot high cinder cone, offers an excellent view of the coastline. Dry and hot with no drinking water.

Maniniʻōwali (Kua Bay) section at north end of park offers swimming during calm seas, bodysurfing during periods of shore breaks, sunbathing, picnicking and other beach-related activities. Hiking opportunity along the coastal trail.