There is an atrium with round tables. Sleeping rooms are away from the atrium area. Banquet will be on-site. If you'll be flying into town for MacHack, you should fly into Detroit Metro Airport. The hotel is located at Ford Road and Southfield Freeway, in Dearborn Michigan.
Directions are available on the FAQ page .
To make reservations at the Holiday Inn, see the hotel form. Remember, you need to both register for MacHack , and reserve a hotel room if you want to stay at the hotel. Go east on Ford Rd. Malls on both sides.