Kaihalulu or "roaring sea" is a long curving sand beach near Turtle Bay Resort. To the east lies a limestone point named Kalaeokauna'oa or "the point of the snail" which was named after the many una'oa (tube worm) which frequent the area. Also known as Kahuku point, this is the northernmost point on Oahu.
Amenities: parking, restrooms, showers
Activities: swimming, fishing