Here are the per person adult costs for a Quicksilver trip to the reef. The basic fare that includes lunch and on-board snacks is: $225. Introductory Snorkeling Tour with Marine Biologist: $56. Advanced Snorkeling Tour with Marine Biologist: $74. Ocean Walker helmet diving: $158. Helicopter flight $165. Round trip coach transfer from Cairns to Port Douglas and back: $28. Rental of an underwater digital camera $69. All prices are in Australian dollars which today are at $0.94 for 1 AUS Dollar. This may seem a bit pricy, but it’s a once in a lifetime experience you will never forget.