In the pool complex with the water slides... do you have to have like some kind of wristband from the resort or like a card or something?

The whole resort is accessed with a wristband, (except for gym and room with roomcard) that u get when u stay and wear till u leave.

Yes, you need to be a guest of the resort. When you check-in all members in your party will given one.

And you can buy food and drinks there with your room key

Wristband access only to that water slide area next to "T dock"

You need wristband.

Wristband

The blue wristband gets you into all the resort areas. To pay you can use your plastic room key card as if it was a credit card. It has a magnetic strip on the back.

Yes, where are you staying at the resort?

Yes, they give you a wristband when you first check in so you can access the different parts of the resort.

Yes