Diving and Snorkeling

Bayplay Adventure Tours. This adventure tour company runs a variety of activities, including diving, snorkelling, bike riding, and sea kayaking. You can explore colonies of weedy seadragons, dive through an octopus's garden, or feel the wash when dolphins leap over your kayak. Dives start from A$55, while a three-hour sea kayaking tour to a dolphin sanctuary costs A$99 per person. 3755 Port Nepean Rd., Portsea, Victoria, 3944. 03/5984–0888; www.bayplay.com.au.