A "suite shower" refers to a bathroom that is attached to a suite or a larger, more luxurious hotel room. It means that the shower is not shared with other guests and is exclusive to the people staying in that specific suite.
Sentences with «suite shower»
The accommodation offers a large downstairs family bedroom (double and single beds) with en suite shower room all with full wheelchair access. (lovetoescape.com)
11 rooms, 7 double / twin and 4 single all with en suite shower room. (somak.com)
Full en - suite shower facilities with bath in the bedroom to enjoy the views. (travelground.com)