April to October is peak season - warm, dry, and cyclone-free. The water's still warm enough for swimming and diving year-round, but wet season (November to March) brings humidity and occasional rough seas that can affect boat tours. Check before you go if you're booking water activities during summer months.

Popular scenic flights and reef cruises can book out a week or two ahead, especially in peak season. If you're flexible on dates you can often book a few days out, but don't wait until the morning of - weather delays are common and spots do fill up.

Yes - a guide makes a real difference, especially for wreck dives like the Yongala where knowing the history and marine life pays off. For reef cruises, guides point out what you're actually looking at instead of you just staring at coral. Most tours include instruction or briefing anyway.

Jet ski tours, snorkelling cruises, and sailing charters generally accommodate children, though age and swimming ability requirements vary. Helicopter flights often have age minimums - check before you go. Reef trips are safer for kids if they're confident swimmers.

Most tour operators offer Townsville pickups, and Magnetic Island is just a ferry ride away. If you're doing multiple tours, having a car is helpful but not essential - shuttles and ferries cover the main spots.

Most cruises include snorkelling equipment and a guide, plus lunch or refreshments. Wreck dives (like the Yongala) include tanks and weights but you'll need dive certification. Check the tour details for specifics since inclusions vary.

Rentals are good if you want freedom and already know the safe spots. Tours give you guidance, often include snorkelling stops or reef access you might not find alone, and take the navigation stress out. Most people prefer tours for their first time.