About a month or so before your departure date, you will receive an informational packet, with your yellow luggage tags in it, from DME. It will give you a map and instructions. But, in the meantime, to give you a quick overview...
You will arrive on level 3, with Side A or Side B, depending on the airline you fly in on. You will leave the gate area and take the tram to the main terminal. Once there, you will head to Side B (if not already there), and head down to level 2 (this is where baggage claim is)..it is reached usually by escalator or stairs. Then take the elevator to level 1, ground transportation. Head all the way to the right, past the car rental counters. You will see DME checkin counter at the very end, on the right. You will get in line (just one of you, not the whole family), you will checkin with them, then you will be directed to the appropriate bus line. Get your family together and get in line. And off you go to your resort.
If you have used your yellow luggage tags, then there is no need to go to baggage claim, just pass it by. If you do choose to get your own luggage, then get it and then continue on to level 1, bags in tow. They will be loaded under the bus you are riding on. The driver will now expect a tip for handling your bags though.