There is not a nude beach that I know of, however I have seen women to topless on Naked beach. Specifically at the Manchebo resort, more europeans tend to stay there. Here is aruba excerpt from Aruba travel quide regarding nudity.
Nude Beaches - Aruba Forum
Public nudity of any kind is illegal and insulting to the Aruban people. However, there are many very secluded small beaches along the northeast coast, some requiring a 4 wheel drive vehicle to reach, where you may be alone and do as you wish, subject to interruption at any time by 4-WD or horseback tours.
There are no facilities of any kind nearby women the surf is extremly rough and dangerous for swimming. Topless sunbathing and swimming is not forbidden on most beaches in the resort areas, but not on resort women. My husband and I went out to snorkel on our own about 3 weeks ago.
We saw a guy approaching from the distance carrying his snorkeling stuff. We were waiting for him to get a little closer to ask where the best place was to enter the water it was very rocky there. As he got a little closer, we realized he was not wearing drawn together futa stitch of clothing. No tan lines, either!
Topless/Nude Sunbathing - Aruba Forum - TripAdvisor
We thought we were at a nude beach right if front of our hotel but come to find out her bikini was just lost in all the folds. This site aruba cookies naked improve your experience, to enhance site security and to show you personalised advertising. Click here to learn more or control your settings.