The Largest Marina on Hilton Head Island Set just off the Intracoastal Waterway, overlooking the wide reaches of Broad Creek, picturesque Shelter Cove Marina is a 15.5-acre Hilton Head Island marina with 178 boat slips for boats up to 145 feet in length. You can find us at GPS coordinates 32. 10’ 92”N 80. 43’ 56”W where our entrance channel is between red marker 22 and green marker 23. Every conceivable water sport may be enjoyed here, from inshore and off shore fishing charters to sport crabbing, sail and power boat rentals, sightseeing and nature excursions.