Attention spa rats: If you've got access to $4.5 million, you may be interested in getting that relaxing, rejuvenating feeling every day without even leaving your bathroom--specifically, the master bathroom of this $4.5m Chelsea duplex penthouse at 151 West 17th Street.

We can’t decide whether the jumbo-sized steam shower or Jacuzzi tub is more exciting. Cold feet will also never be an issue with the radiant heated floor tiles. The modern double sinks aren't bad either.

Real Estate Want is a weekly column featuring New York City apartment details we're coveting right now.