Lake Moananui reserve surrounds the man-made lake constructed in 1974/1975. Moananui translates to big water. Surroundings of the lake include car parks, trees, bridges, picnic areas, paths or walkways, playground equipment, a paddling pool, exercise equipment and retaining walls.
Located on the corner of Arawa Crescent and Maraetai Road, the lake is a popular exercising destination with a walkway all around the lake with exercise stations conveniently placed around. Dog exercise is also popular as the lake has an off leash exercise area.