You need a J3
J4: Spa Junior Suite
Cabin 267 sqft, Balcony 81 sqft
Two bathrooms: toilet+sink and tub+stand up shower+sink (no toilet)
J3: Family Junior Suite
Cabin: 301 sqft, Balcony 81 sqft
Two bathrooms: toilet+sink and toilet+tub/shower combo+sink
J1: Junior Suite
Cabin: 276 sqft, Balcony 161 sqft
One bathroom: toilet+tub/shower+sink