My wife and I (both 26) visited RIU for our honeymoon and it was an amazing time! This place had everything we were looking for in a resort and it was our first time in Aruba and staying at a RIU.
We love a mix of activities and also being able to relax and this place had the perfect balance of both. On the adults-only side the pool was always playing great regaton type music later in the afternoons and they dialed it up with the activities, drinking games, and contests. If you are the social type, you will definitely have a great time with others while there.
The location is great as well, the beach is perfect and the small town with shops and bars is almost directly across the street. The area is super clean and safe, can easily walk it at night no problem.
Food:
Everyone always complains about food but just ignore it, I am not a foodie at all but I will say I really liked everything they served here. The specialty restaurants were all amazing, and the buffet honestly was the best I've had out of all the other all-inclusive I've been to.
RIU party on Friday was a cool bonus too, we didn't know about it going into the trip so make sure to check the details and pack a white shirt!