Deep Creek Lake State Park
You can find inexpensive lodging around Deep Creek Lake, Maryland, but if you want to be right on the water, check out Deep Creek Lake State Park. The campground is open from mid-April to mid-December, and has 112 campsites and 26 electric sites. If you plan on visiting during the summer, make sure to book a reservation in advance. The beach and lake are the main attraction at the park, but you can also check out the Discovery Center with exhibits about the nature and history of the area and a small interpretive trail, or go on a tour that takes you to a firetower with spectacular views.