2023 grand design solitude 378mbs r grand design solitude fifth wheel 378mbs highlights middle bunkhouse/office kitchen island free standing dinette outside beverage cooler & grill two power awnings the middle bunkhouse in this fifth wheel includes a fold down bunk above a tri-fold sofa that offers seating for an extra living room as well as sleeping space for a bedroom plus there is a desk to work from and a closet for clothing and supplies making this room multi-functional. you can then retreat to your own master bedroom with a queen bed slide or choose the king option an led tv as well....