Hi Sharon,
You won't have any problems, I think, if you stay by pools there are always loads of things going on and I bet she will just be happy to swim and hang out with you oldies! You will all have a lovely time, it's different with the little one but you will really enjoy it.
Hopefully the water sports will be back this year too if she's an active type. Mine were always just happy to mooch about on the sunbeds, go in the sea and pool and eat, boy did they eat!
You will have a blast xx