There are three designated swimming areas around the lake. Seven boat launching ramps are maintained to provide boaters and fisherman access to all areas of the lake. Picnic facilities and playgrounds are located at most sites. All sites have access to drinking water and rest rooms.

Anglers get your fishing poles oiled and geared. Lake Ashtabula has an abundant population of walleye, northern pike, white bass, yellow perch and black bullheads. The name "Ashtabula" is a Native American word meaning "Fish River," which suits its fish population.

The Corps of Engineers operates seven recreation areas at Lake Ashtabula, providing a variety of facilities and services, as well as actively manages 14 separate wildlife areas at Lake Ashtabula. These areas provide quality habitat for many species of wildlife. All Corps' wildlife management areas are open to the public for hunting. Contact the North Dakota Game and Fish Department for seasons, restrictions, and licenses.

Baldhill Dam, located at Lake Ashtabula, was completed in 1950 primarily as a water supply structure, but it also provides important flood control benefits along the Sheyenne River.