This place is privately run - not a Seattle City run pool - so it costs a few bucks, but the water is kept warm (which the anklebiters love) and the lessons are apparently pretty good. My wife got a "membership" or some equivalent and it was very inexpensive.
The pool up in Montlake Terrace apparently has a loooong waiting list. My wife also likes the GreenLake pool, but you need to check the schedule as it gets a lot of use from regular lap swimmers and other adult types.
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