Oahu hikes with best views of Kailua Bay. Lanikai Pillbox Hike: Best Oahu hikes with scenic views of Mokulua islands, Mokes. Hiking trails in Hawaii. For day activities and things to do from Waikiki and Honolulu on Hawaii vacation, head to Kailua, windward Oahu. Pillbox hike trail summit has ocean views of Oahu beaches. Put hiking gear on Hawaii packing list of what to wear hiking when you travel to Hawaii! After, go snorkeling at famous Lanikai Beach! #oahu #hawaii