The most iconic hike on Oahu and probably all of Hawaii. The 1.6-mile round trip trail climbs inside the crater of this famous volcanic tuff cone to the summit for panoramic views of Waikiki, the Pacific Ocean, and the Koolau Mountains. Kids love the tunnel, bunker, and steep staircase near the top that add adventure to the climb. The trail is paved but steep in sections. Reservations are required and the earlier you go the better to beat the heat and crowds.
A protected marine bay set inside a volcanic crater with the best easy snorkeling on Oahu. The reef is teeming with colorful fish that swim right up to you in shallow water. Kids are mesmerized from the moment they put their face in. A mandatory short educational video before entry teaches kids about reef conservation which makes the experience more meaningful. The beach is sandy with a gentle slope into calm turquoise water. Arrive early because the parking lot fills fast and the preserve caps daily visitors.
A staircase of 1048 old railway ties straight up the side of Koko Crater to the rim at 1208 feet. This is essentially a giant outdoor stairmaster and kids who are up for the challenge love the sense of accomplishment at the top. The views from the rim are panoramic covering Hanauma Bay, Sandy Beach, and the east side of Oahu. The climb is relentless with no shade so start early and bring lots of water. There is a gap in the ties about two-thirds up where a bridge once stood that requires some scrambling.
A lush rainforest hike just 15 minutes from Waikiki that ends at a beautiful 150-foot waterfall. The 1.6-mile round trip trail winds through a tropical jungle with massive banyan trees, bamboo groves, and wild ginger. Kids feel like they have entered a movie set and in fact many films have been shot here. The trail can be muddy so sturdy shoes are essential. The waterfall at the end drops into a rocky pool surrounded by greenery. Swimming in the pool is discouraged due to bacteria but the view is stunning.
The most famous beach in Hawaii and still one of the best for families. The water is calm and warm, the sandy bottom slopes gently, and beginner surf lessons are available all along the shore. Kids can build sand castles, take a catamaran cruise, or try stand-up paddleboarding. The beach is backed by hotels and shops so everything you need is within walking distance. Lifeguards are on duty and the Duke Kahanamoku statue makes a great photo spot. Yes it is touristy but kids do not care about that.