Tired of dropping your boat in and out of the water every time you want to go out? Then get your own 40 x 15 boat slip at The Harborage marina in downtown Charleston SC. Slip number i-9 is perfect for those who want security and comfort. The Harborage marina in downtown Charleston SC offers: water, Wifi, gated security, bathrooms, showers, trash, and electricity. It is the best managed marina in all of Charleston with a full time staff to oversee your investment..Slip #I-9 is located closer to the land side to keep your boat out of the elements and waves further from the riverside.