The Following are my suggestions for the name:-
1)Mind, Body and Soul.(Firstly, to relax the mind then the body and finally relax a persons soul or on a spiritual level)
2)Body Revive
3)Dimensions (This name suggests various dimensions of calm, peace, luxury, relaxation, etc. that a client will experience. Also it can be with repect to the various services offered.)
4) Kimaya - The Spa or Ayamik - The Spa
5) Crescent
6) Exotica
Thanking You,
Regards