Roper Lake has Largemouth bass, crappie, bluegill, sunfish, catfish, and rainbow trout. The park has a boat ramp and a handicap accessible fishing dock. Gas motors are not allowed to be operated on the lake. Fishing is not allowed in the swimming area.

A valid Arizona fishing license is required for anglers 10 years and older. Licensing information is available online at Arizona Game & Fish, or purchase a fishing license at a local dealer.