I've dived Lake Ouachita since 1960. The lake has changed a lot related to tourism, but through it all, is still one of the best lake dives I've ever done! A wide selection of fish abound and spear fishing, in season with license, is legal! Very few shore dive sites! (Rangers can't differentiate between "scuba DIVING" and "DIVING" head first off rocks! Honestly, this happened to me and others!) Boat diving around the islands (dozens!) is great. Average viz ~10'-15' (less in Summer, more in Winter). Have fun...and don't trash the lake, please!