If you are staying at the BC resort, the only way for you to get to Epcot is to go thru the back entrance , unless you have a car. They do not run transportation to the front of Epcot.It is also FASTER to walk than to take the boat, the walk is less than 5 mins.To take the boat you actually have to walk back towards Yacht club to the boat dock, than wait for a boat.The boat only takes you to outside the International gateway.