Stock tank pool
Hi Douglas, there are lots of stock tank pool ideas here:
Here's a link on choosing and setting one up:
Tractor Supply is where we get our stock tanks. I would surround with pea gravel.
If you bury it down to just a foot or two and surround it with decking it will feel like a more "real" pool and hold its temperature longer. Good luck I've always drooled over the ideas online!
This one is cool
Lots of other ideas