The North End Charter Fleet Dock is located directly behind the Chart House Restaurant on the north end of the island. The address is:
2 Hudsons Road, Hilton Head Island, SC 29926.
Park in front of the Chart House, walk around the left side of the restaurant and you will see the dock directly behind the Chart House.
You can see a Satellite view (birds eye view) of the area and the dock by clicking on "Satellite" when you first enter the page. By zooming in on the location, you will see the dock as well as the surrounding area.