Regardless of the type of bathroom layout design you choose, it is always important to stick with the basic necessities.
Bathroom floor plan --contemporary floor plan by Steven Corley Randel, Architect - general sizing/space requirements for new master bath use as reference
pallet-shelving-plan omg YES
Visual Guide to 15 Bathroom Floor Plans: Basic, Functional Bathroom Plans flip toilet and shower
idea for the en-suite bathroom