GUEST BATH -- Simple grey glass subway tile shower with white grout, white vanity, light grey walls, dark grey mirror, chrome fixtures
like the pocket doors- glass doors maybe a good idea from the great room to the 4 season porch to let the most light in. For even more light maybe fixed glass doors/windows on either side.
Instead of tile, rock in the shower
Step Up to Livingroom - Always for Bench Seating in Dining Room.
Available from UK Bathrooms: Duravit - Bathroom design series: Starck 2 - washbasins, toilets, bidets and urinals from Duravit.