The North End Charter Fleet Dock is located directly behind the Skull Creek Dockside Restaurant on the north end of the island. The address is:
2 Hudsons Road, Hilton Head Island, SC 29926.
Park in front of the Dockside Restaurant, walk around the side of the restaurant and you will see the dock directly behind Dockside.
The map below can give you directions to the dock. 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. That is the icon at the bottom left on the map. By zooming in on the location, you will see the dock as well as the surrounding area.