I'm a guy and recently went to Haulover Beach in Miami. It's a clothing optional beach and I sunbathed in the buff. I was lying on my stomach and two attractive, young latina women came and sat in front of me a little ways away. I'm comfortable with nudism and don't normally gawk but they quickly stripped and were putting sun lotion on. As I watched them, I obviously found it a bit arousing but didn't think much of it. As they were finishing applying lotion, I decided to get up to go to the ocean. Well, when I stood up I was at half mast (didn't feel it from lying on my stomach) so to speak and my penis was semi-hard pointing straight out from my body - literally pointing right at the two women. One of them pointed at it and started to laugh and her friend quickly noticed and did the same. I looked down at it, them back at them and could do nothing but smile and head to the water. I wasn't as embarrassed as just thought it was funny. They snickered at me the rest of the day!