Forgive me if this had been asked and answered before .but can you cut through the Boardwalk resort if you are walking from Epcot to MGM? I would hate to get to the end of the hallway and meet a blocked exit
The fastest route -- and the only one I can think of -- is by taking the path from Epcot out of the International Gateway, turning left to cross the little bridge, then past ESPN, along the wooden Board Walk, to the Luna Park pool, where you can cut through, veering left, and catch the walkway that takes you to MGM.
Dunno that you can really cut through the Board Walk Inn/Villas building itself.
The whole trek should take you about 25 minutes, give or take, depending on your pace. If it's a hot day and you're tired, just take the boat!