yourfirstvisit says it's 31"x66" -- opined to be suitable for someone 5' or under. My 5' 12-year-old insisted on sleeping on a Murphy Bed (of the same size, but at a different WDW resort) last time we visited WDW, and I'd agree that that's about the maximum size person who'd be comfortable on it.
THE REFURBISHED 5 PERSON ROOMS AT PORT ORLEANS RIVERSIDE The only standard moderate resort rooms at Walt Disney World that can sleep five are in the Alligator Bayou section at Port Orleans Riverside. Both the Port Orleans resorts have been refurbished over the past 18 months or so (for details...
yourfirstvisit.net