But the lake is so dirty and gross, can't we get a pool?
Is this a turret with a pool in it? Is it possible to have a castle with a magical water tower? I'm in.
Yes please, I would like to live in a mysterious wee castle that is, in fact, a facade for a sprawling underground structure. Now move along, I have furniture to arrange.
So Sasquatch showed up at your house and left a trail of destruction, take advantage of this opportunity.
Strum a tune while you do (super short) laps.
I've worked up quite an appetite swimming laps. What's for dinner?
Dude it's awesome, I can work out, perfect my hustle and relieve myself all in one room! Why would I ever leave?
Something to keep in mind as a possible design perk in a flood zone.