6.5 million gallons of heated sea water. No wonder it couldn't keep running.

They could have just stuck a nuclear reactor in it. Two problems solved.

Don't go too close to those spent fuel rods on the deep end.

Its fine just wear a lead jacket while swimming on that end

Because the water doesn't block the radiation? uhm?

Obligatory xkcd: https://what-if.xkcd.com/29/

Sutro Baths was just north at the end of Ocean Beach, but half as long:

https://en.wikipedia.org/wiki/Sutro_Baths

It's a bummer there's nothing like these places there today.

There are the casting pools in GGP, which are quite large, and (given the few people who use them for casting) could be converted into swimming pools.

It’s a two hour plane ride away, but there’s https://en.wikipedia.org/wiki/Kitsilano_Pool

Nobody should be boarding a plane to swim in a pool somewhere else.