Deep Creek Lake & Garrett County Market Statistics. This is a general overview of some of the key metrics in our unique vacation market here at Deep Creek. This includes all residential properties in the county, even outside Deep Creek Lake. One thing to keep in mind - lots of homes are always for sale here. Its a normal part of our market where the vast majority of our buyers don't live here full-time. If you are interested in more specific data, specific listings or finding out about your home or neighborhood, I can personally putthat information together for you - just call or email!