It is awesome. We went for a 1 night stay this summer with our 7 year old.... And it will now be added onto our already planned Poly stay. Sure, it may be cold out, but I am guessing that your 7 year old won't care! We did not have a problem monitoring our 7, 10, and 3 year old. Yes, it is spread out, but they have excellent lifeguard coverage, and with the baby not being on the run yet, you will easily be able to follow your 7 year old's lead. If I had only a 1 night stay, that is where I would try.