With a 4-mile long beach, beautiful scenery, soft sand, and beautiful ocean colors, Waimanalo Beach in Oahu is a great beach to visit. Back in the day, the northern part of the beach used to be a vacation spot for the military in which it was part of an air force base. The ocean is a bit rougher here than the Kailua Bay that sits just to the north of Waimanalo Beach. Because of its rougher waters, it makes it a great spot for boogie boarding, but less suitable for those inexperienced swimmers. Waimanalo Beach is a great beach for relaxing, taking in the beautiful scenery that surrounds it, and for you boogie boarders out there.