You can go to Legends and purchase drinks and food without a day pass. Legends beach gets pretty crowded so I would suggest Yard Beach House, Alfred's, or as John mentioned Sun Beach instead. No passes necessary.
Not anymore...day pass rates for Legends (and SamSara) are $40 US per person & $66 US per person for A/I
"Yeah, I'm cocky and I am arrogant. But that doesn't mean I'm not a nice person."