This is the main tourist spot on the island and is definitely a fun area if you're looking to bar hop, have a lot of different food options around, and experience beach activities like catamarans or renting paddleboards.
Great snorkeling spots: Hanauma Bay, Sharks Cove, Baby Makapu'u, Electric Beach
Easy: Lanikai Pillbox, Makapu'u Lighthouse Trail, Manoa Falls, Diamondhead Trail, Hau'ua Loop Trail, Ma'ili Pillbox Hike More difficult: Koko Head, Crouching Lion, Stairway To Heaven (one side is illegal now so you have to go the entire long way around)