The Sims Marina At Navajo State Park that was damaged in a recent storm. Courtesy photoEMNRD NEWS RELEASEThe Sims Marina Boat Ramp at Navajo Lake State Park is closed until further notice. A recent intense storm damaged the boat ramp, creating a potential safety hazard for park visitors. The Pine Marina Boat Ramp remains open despite having sustained minor damage during the same storm. Visitors are asked to use caution around eroded gullies, displaced rocks, or equipment that was moved by flooding.