Echo Bay is an unincorporated community in the U.S. state of Nevada. It is located on the western shore of the Overton Arm, within the Lake Mead National Recreation Area. The community contains a campground run by the National Park Service and a boat ramp. There used to be a marina there as well, but it closed in February 2013. Approximately 200,000 people visit Echo Bay annually. There was a small trailer park for housing.