Osprey Marina is at mile marker 373 on the Intracoastal Waterway in Myrtle Beach. Osprey Marina is the ideal spot to begin and end your boating adventures! Our marina offers a protected harbor 150 yards off the waterway accessible by a private deep water channel with a draft of 9 ft MLW. We operate 90 percent capacity year-round with a professional staff and customer service that keeps people coming back again and again.