Koko Head is the headland that defines the eastern side of Maunalua Bay along the southeastern side of the Island of O‘ahu in Hawai‘i. On its western slope is the community of Portlock, a part of Hawaii Kai. Kokohead (at 642 ft or 196 m) is an ancient tuff cone that is somewhat dwarfed by its neighboring tuff cone, Koko Crater, with its peak, Kohelepelepe (or Pu‘u Mai), rising to 1208 ft or 368 m. Koko Head itself has three significant depressions or old vents, the largest of which forms the well-known Hanauma Bay.

This eastern end of O'ahu is quite scenic and most of the area is part of Koko Head Regional Park, administered by the City & County of Honolulu. The following features and natural areas are found between Koko Head and the eastern end of the island at Makapu‘u:

• Koko Crater is a massive tuff crater that visually dominates the area. Within the crater is a horse stables and a City & County of Honolulu botanical garden that specializes in cacti and succulents.
• Hanauma Bay is an old volcanic crater or tuff cone breached by the ocean.
• Lana‘i Lookout is a scenic lookout that features a very distant view of the Island of Lana‘i to the southeast of O‘ahu. Moloka‘i, directly across the Kaiwi Channel, is closer and nearly always visible during the day; Lana‘i is visible only under good atmospheric conditions, although if visible from anywhere on O‘ahu, it will be visible from this pull-out/parking area.
• Halona Blowhole is a blowhole in the rocky shore. A large pull-out/parking area is present.
• Sandy Beach is a popular beach for surfing and a park popular for kite flying because Tradewind (offshore here) winds are strong and steady most days. Sea conditions off the beach tend to be rough most of the time and the bottom drops away relatiely quickly, so this in not a beach for relaxed swimming, but very popular for more extreme water sports and watchers.