RATTLE SNAKE ROAD This site is located an Rattlesnake Road at the West end of Salt Lake. This site provides access to Copano Bay and Port Bay in the Rattlesnake Point area. This site was built by Aransas County Navigation District as a kayak launch. It has limited parking space. Paddling Southwest from this launch site will take you to the end of Rattlesnake Point where there are mangrove islands ideal for nesting birds and feeding fish.