For a work meeting, I stayed at the Crowne Plaza in Hague. It turned out that they had a nice spa area, with four different saunas and good pool.
More swimming and sauna stories can be found from planetswimmer.com and saunablogger.cool web sites! Photos and text (c) 2019 by Jari Arkko. All rights reserved. All pool/sauna photos have been taken with permission, when the facility was close, and without other people present.