Private Resort (movie, 1985)

Jack and his buddy Ben check in at a posh Florida resort, planning to spend every hour in hot pursuit of gorgeous babes. But their plans hit a major detour when they try to bed the wife of a conniving jewel thief. They'll have to outsmart him, a nasty security guard and an obnoxious jock if they're ever going to get a moment alone with the girls of their dreams!