Keystone Lake is noted for its striped bass, sand bass, black bass, lake strain small mouth bass, crappie, and catfish. Downstream fisheries are accessible from Whitewater and Brush Creek Parks. Swift Park (a day use Tulsa County Park) provides boat access to the Arkansas River below the lake when water levels are adequate. There is also a children’s fishing pond for the young anglers.
Keystone Lake Park has comfort stations and shelters available as well as picnic areas with grills, playgrounds, hiking trails, equestrian trails, bicycle trails (rentals available), swimming areas, a children's fishing pond, park office with area information, restaurants, marina with boat rentals, cabins with fully-equipped kitchens and a grocery store.