This beautiful beach is crescent shaped and located on the windward side of Oahu. It is surrounded on three side by the Koolai Mountains which provide a scenic mountain view. Kahana Bay has beautiful soft sand. The tall pine trees and ironwood trees that surround the outskirt provides the perfect shade and a nice spot for picnic and barbecue. Kahana Bay Beach Park can be considered like a tropical paradise. It is a peaceful retreat with waters that are generally calm.
The ocean is good for swimming but at occasion can be a little bit murky because of the runoff of Kahana stream. Caution should be taken when entering the water as some parts of the beach near the shore are rocky. Many different activities are undertaken; kayaking, surfing, paddle boarding just to name a few. during the months of June to September, the beach can be covered with stinging limu (seaweed). You should therefore watch for signs and monitor the ocean condition.
A campground near the beach is open five days a week and contains 10 camp site. Local residents often camp during weekends but to do so, a permit needs to be obtained from the Hawaiian Department of Land and Natural Resources. During weekdays, the beach is almost completely deserted but on weekends it becomes very crowded.
Kahana Bay Beach Park is about 7 miles south of Laie. There are limited facilities that includes: restrooms and showers. An ancient Hawaiian fishpond can be found on the south end of the bay where Kahana stream spills into the ocean which is called Huilua. You can get amazing views of Kahana bay from the Kapa'ele'ele hiking trail. the trail can be followed from the stream on the left. it runs for about 3.5 miles from the parking area. Some bunkers used for training during WWII can also be seen. Overall, Kahana Bay Beach Park offers great scenery and a great place for picnic and barbecue. If hiking the park though, you should have with you some bug spray as it is heavily infested with mosquitoes.