Erection is not necessarily related to Sexual Arousal
There is a very common concept about guys that whenever some guy experiences erection, people are quick to point out that he is sexually active. This must be the case in most occasions, but not always as guys can experience erection for other reasons as well, an example could be when a guy is feeling pee, he could achieve the same amount of erection as any other guy who is sexually active. Making assumptions are good in some cases but to relate something to another exclusively is wrong and man’s erection is one of those issues.
Also there is a lot of fear installed in a man’s mind when he visits a nude beach that what would he do when he achieves erection on a nude beach in front of other nudists. This issue has caused so much fear for most men visiting beaches where they can’t wear anything. In this case most men are reluctant to go full nude and keep wearing their underpants on, while there are some men who come up with some absurd ideas like rubbing ice on their penises to discourage erection if it ever happens on a nude beach. There are some unnecessary fears in men and the fear of erection on a nude beach is one of them. While the nudists visiting nude beaches frequently do not usually suffer from erection during their time at the nudist beach, the men who are not nudists and when they visit nudist resorts,, seeing all those breasts and vaginas, they are highly likely to suffer erection in these events