Atlantis towels?

Do I need to bring my towels from the ship with me to Atlantis or towels provided there? Also are there lockers by the waterpark? And one more question. I plan on getting there hopefully by 9 ish and exploring the aquarium then going to the water park once they open. Should I go to the slides first or does the lazy river have long lines also?

Atlantis provides towels, I would ride the slides first, you'll get on the not so lazy river pretty quickly.

We grabbed a couple of chairs first thing, then used the pools and smaller slides, and then moved onto the big slides at 10. Then the river, then beach, then digs.