I agree with Snowgod, take the south exit out of the airport to 417 (south I think). You will go through 2 tollbooths, $1 each. Take the exit 6, International Drive/Downtown Disney. You will be on 536, keep going straight until you go under the WDW Arch and take the next exit for Downtown Disney. At the light go straight and you will see the turn for Old Key West (second light). Everything is well marked with signs. Welcome Home!