The Oriental Spa at Mandarin Oriental, Bangkok

Hi Community, A few queries were on Intercontinental / Regent offers, post sharing about [Japan](https://www.reddit.com/r/luxuryhotel/comments/1sqo0cm/luxury_hotels_in_japan_free_night_offer_list/) / [Mandarin Oriental perks](https://www.reddit.com/r/luxuryhotel/comments/1snzj1o/mandarin_oriental_guaranteed_upgrade_offer_perks/). Sharing a

Spending 2 days in Bangkok after flying 22 hours and looking for the best luxury hotel spa to recover at. Ideally with a pool, sauna, steam included in the spa service. Any suggestions? Some options I am considering are Capella spa, Four Seasons, and Mandarin Oriental. Thanks!!