JUST big enough. The wide-angle exaggerates the size. about 8 feet by 20, I'd say (with a bathroom tucked in behind the kitchenette).
May 05, 2017@15:37

OMD54925
1/30 sec at f / 4.0@9 mm
ISO 2000
E-M10
OLYMPUS M.9-18mm F4.0-5.6