Home / Outdoors / What kind of drain plug is best for keeping sand out of a cooler?Outdoors beach summer threaded drainWhat kind of drain plug is best for keeping sand out of a cooler?A threaded, recessed drain plug is the best choice. Cheap coolers use push-in rubber plugs that sand easily gets under and can pop loose on the beach. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious What kind of extension cord do I need for pools, spas, or wet areas?Next What kind of cooler should I use in freezing temperatures?