Woman are not allowed to go topless at the Royal carmen regards to playa resort itself, so you will not see any at the pools period.
Some went swiming topless in ocean and pool and at the swim up bar at pool. I will often go topless on the beaches of resorts in Mexiconever at the pools though. I think it depends on how many Europeans happen to be at the resort. I think that Punta Cana may be more European in general.
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Del think some of these cultures just have a different take on nudity. I was at the Riu Palace Mexico last year, and saw a family on the beach. The mother was topless, and her son, who was about 16 or 17 years beaches, was just sitting there talking to her, brought her a water, etc. No big deal to them.
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I'm from the US and have a year-old brother who would absolutely die if he saw my mother topless or if she went topless on the beach. I find it sorta interesting. We stayed at the gran cam liveshow sex web real last April topless was on the beach topless and a few days walked down the beach by the royal and laid topless on the beach.