GSL Slip Renters and Marina Users. The North parking lot and launch ramp are closed today all day for crack sealing. Sorry for the short notice. They will re-open tomorrow morning. Also, the South parking lot will be closed Thursday night in preparation for Crane Day. It will re-open Friday around noon. The South parking lot will also be closed either Wednesday or Thursday of next week for crack sealing. Thank you, Dave Shearer Harbor Master Great Salt Lake State Marina Antelope Island State Marina 801-209-9142