The Mornington Peninsula Visitor Information Centre, 359 Point Nepean Road, Dromana (tel. 1800/804 009 in Australia, or 03/5987 3078; www.visitmorningtonpeninsula.org), has plenty of maps and information on the area and can also help book accommodations. It's open daily from 9am to 5pm, except December 25 and Good Friday.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.