Upvote:1
Yes, there are many spa's like that in Bangkok, even better ones than in Europe.
Try Divina Scentuara Spa in Bangkok; you do have to wait in some bath, though. (In which you can read your book)
Oh, and above all: It's pretty affordable. If you 'really' are looking for a pool, go for Nitra Serenity Center, it's more expensive, but you will get two infinity pools for your money!