Man and woman are seen undressing and getting in bed. Woman is topless and breasts visible.
Leading lady is seen getting undressed several times, and masturbating (under covers) while flashing to a couple having sex (nudity and thrusting visible).
At the start of the film after a girl strips and gets into the shower you see her nude from above her breasts - you can see this in the mirror. Her breasts are obscured by steam on the mirror so he breasts aren't actually seen
In a scene at the beach, a girl's pantie and her back is visible. Then we can see her unhooking her bra.