Moreton Bay. A half-hour's drive east of Brisbane city brings you to Moreton Bay, stretching 125 km (78 miles) from the Gold Coast to the Sunshine Coast. A number of operators based in Brisbane's bayside suburbs—Manly, Redcliffe, Sandgate—run sailing, diving, sightseeing, and whale- and dolphin-watching trips around the Bay, and trips to its various islands. Some cruises include tours of St. Helena Island's historic prison ruins; others visit Moreton Island, where you can toboggan down massive white sand-dunes. Moreton Island National Park, Queensland. www.moretonbay.qld.gov.au.
Moreton Bay Escapes. This operator runs tours and charters around Moreton Island National Park that includes 4WD driving, snorkeling, kayaking, body-boarding, hiking, and sand-boarding. Tailored excursions incorporate bird-watching, fishing, swimming with dolphins, and more. Admission includes ferry trip, park entry fees, and meals. Brisbane, Queensland. 1300/559355; www.moretonbayescapes.com.au. From A$189.