Cairns Boat Tour Minimum Age

Short answer: It depends on the operator: minimum ages run from no minimum to 12 across 11 tours. Updated 2026-11-02

We checked 11 boat tours in Cairns; 11 state minimum age details in the listing. The minimum age for boat tours in Cairns ranges from any age to 12. 8 tours take children of any age. 2 tours accept children under 6.

Tour	Minimum age	Operator	From
Great Barrier Reef Snorkeling and Diving Cruise from Cairns “Booking age bands: Infant 0-3, Child 4-16, Adult 17-99”	All ages	Down Under Cruise and Dive	$197	Check dates
Ocean Freedom: Great Barrier Reef Stylish Snorkel, Dive Reef Tour “Booking age bands: Infant 0-3, Child 4-14, Adult 15-99”	All ages	Cairns Premier Reef & Island Tours	$160	Check dates
Snorkel & Dive the Reef: Sustainable, Scientific & Cultural Tour “Booking age bands: Infant 0-3, Child 4-14, Adult 15-99”	All ages	Reef Magic	$233	Check dates
Silverswift 3 Great Barrier Reef Sites in 1 Day from Cairns “Booking age bands: Infant 0-3, Child 4-14, Adult 15-99”	All ages	The Quicksilver Group	$220	Check dates
Snorkelling and Glass Bottom Boat at Green Island from Cairns “Booking age bands: Infant 0-3, Child 4-14, Adult 15-100”	All ages	The Quicksilver Group	$112	Check dates
Snorkelling or Glass Bottom Boat at Green Island from Cairns “Booking age bands: Infant 0-3, Child 4-14, Adult 15-100”	All ages	The Quicksilver Group	$77	Check dates
Green Island Reef Cruise - Half-Day Trip from Cairns “Booking age bands: Infant 0-3, Child 4-14, Adult 15-99”	All ages	Big Cat Green Island Reef Cruises	$79	Check dates
Great Barrier Reef Full Day Tour from Cairns “Booking age bands: Infant 0-3, Child 4-14, Adult 15-70”	All ages	Divers Den	$197	Check dates
Passions of Paradise Great Barrier Reef Cruise by Catamaran “Booking age bands: Child 4-14, Adult 15-99”	4+	Passions of Paradise	$197	Check dates
Cairns Catamaran Harbour and Dinner Cruise “Booking age bands: Child 4-14, Adult 15-99”	4+	Spirit of Cairns	$104	Check dates
Sunlover Great Barrier Reef Day Trip to Moore Reef Pontoon “Minimum age is 12 years for SCUBA diving and Seawalker Helmet dive subject to health checklist”	12+	Sunlover Reef Cruises	$220	Check dates

Questions

How old do you have to be for a boat tour in Cairns?

It depends on the operator: minimum ages run from no minimum to 12 across 11 tours.

Which boat tour in Cairns is best for young children?

Great Barrier Reef Snorkeling and Diving Cruise from Cairns by Down Under Cruise and Dive has the lowest minimum age (all ages) and 3969 reviews.

How up to date is this information?

We last checked these listings on 2026-11-02 and re-check every listing monthly. Operators can change their rules, so confirm before you book.

Restrictions come from each tour’s listing on GetYourGuide or Viator: the suitability notes, “Know before you go”, booking rules, and what is and isn’t included. Last checked 2026-11-02. Operators change rules, so confirm before you book.

Cairns Boat Tour Minimum Age

Questions

How old do you have to be for a boat tour in Cairns?

Which boat tour in Cairns is best for young children?

How up to date is this information?

More about boat tours in Cairns

Minimum age: boat tours elsewhere