After a discussion yesterday, I have taken the liberty to catalogue all olympic size swimming pools in the $75/yr membership for 5 boroughs city parks area. Note that some are outdoor pools which are for Summer season only.
All the >= 50 meter pools listed below are outdoor pools except for the Flushing Meadows Corona Park of Queens, which is indoor.
Bronx:
Crotona Park (More than 50 meters - 330')
Brooklyn:
Betsy Head Memorial Playground (More than 50 meters - 330')
Sunset Park (More than 50 meters - 259')
Kosciusko Street Park (More than 50 meters -230')
Red Hook Park (More than 50 meters - 330')
Manhattan:
Highbridge Park (More than 50 meters - 220')
Jakie Robinson Park (More than 50 meters - 235')
Central Park (More than 50 meters - 240')
Thomas Jefferson Park (More than 50 meters - 239')
Staten Island:
Queens: