Dive slate · divesites.com.au · printed 7 Nov 2026
Big Softy
Ribbon Reefs & Lizard Island, Queensland · near Lizard Island (day boat or liveaboard)
| Depth | 10–30 m |
|---|---|
| Minimum level | Advanced Open Water |
| Difficulty | Intermediate |
| Access | Boat (multi-day/liveaboard) |
| Entry | Giant stride from liveaboard dive deck; descend mooring or line |
| Current | Variable/Tidal |
| Visibility | 15-30 m |
| Water | summer 27-29 °C, winter 23-25 °C |
| Suit | 3 mm full wetsuit or lycra Nov–Apr (27–29°C); 5 mm full wetsuit Jun–Sep (23–25°C); full-length lycra or stinger suit recommended Nov–May |
| Best season | Year-round. Jun–Jul dwarf minke whale season; Aug–Nov calmest seas and best visibility; Nov–Dec coral spawning; Dec–Apr warmest water, more rain and cyclone risk |
| Bottom time | 45 min |
| Position | -14.70000, 145.65000 (approximate) |
| Permit | Great Barrier Reef Marine Park (Commonwealth) – outer Ribbon Reefs, GBRMPA zoning applies (much of the Ribbon Reef front is Marine National Park 'green' zone; check the Cooktown–Lizard Island zoning map). Operators hold GBRMPA permits; the Environmental Management Charge is included in trip fees. No private permit needed to dive with a permitted operator. |
| Nearest chamber | Townsville University Hospital hyperbaric unit (Townsville) – via aeromedical evacuation (RFDS/rescue helicopter from Lizard Island or Cooktown airstrip, or vessel diversion); liveaboards carry oxygen and satellite communications |
| Emergency | 000 · DAN Asia-Pacific diving emergency 1800 088 200 |
Big Softy
A soft-coral-covered wall dived as a drift with reef sharks and seasonal mantas.
Near Lizard Island (day boat or liveaboard) · Ribbon Reefs & Lizard Island, Queensland
- Depth
- 10–30 m
- Minimum level
- Advanced Open Water
- Access
- Boat (multi-day/liveaboard)
- Boat ride
- —
- Water
- 27-29 °C
- Visibility
- 15-30 m
Big Softy10–30 m · Advanced Open Water
Dive factsDepths, conditions, location & safety
Season
In season nowBest months: January, February, March, April, June, July, August, September, October, November, December.
Year-round. Jun–Jul dwarf minke whale season; Aug–Nov calmest seas and best visibility; Nov–Dec coral spawning; Dec–Apr warmest water, more rain and cyclone risk
- Best months
- Now (November)
- Stinger suit Nov–May
Dive facts
- Depth
- 10–30 m
- Typical depth
- 18 m
- Certification
- Advanced Open Water
- Difficulty
- Intermediate
- Depth tier
- Advanced Open Water (18–30 m)
- Access
- Boat (multi-day/liveaboard)
- Dive centre needed
- Yes – boat access only
- Shore / independent
- No
- Current
- Variable/Tidal
- Visibility
- 15-30 m
- Water temp (summer)
- 27-29 °C
- Water temp (winter)
- 23-25 °C
- Water
- Tropical
- Bottom time
- 45 min
- Dive traffic
- Moderate (occasional charters/club dives)
- Night dive
- Possible
- Snorkel friendly
- Partial
Exposure suit
3 mm full wetsuit or lycra Nov–Apr (27–29°C); 5 mm full wetsuit Jun–Sep (23–25°C); full-length lycra or stinger suit recommended Nov–May
Location
Outer reefs north of Ribbon Reef No. 10 · Far North GBR – Ribbon Reefs
-14.70000, 145.65000
Approximate position — not for navigation.
Open in Google MapsPrimary source: lizardisland.com.auMarine park & permits
Great Barrier Reef Marine Park (Commonwealth) – outer Ribbon Reefs, GBRMPA zoning applies (much of the Ribbon Reef front is Marine National Park 'green' zone; check the Cooktown–Lizard Island zoning map). Operators hold GBRMPA permits; the Environmental Management Charge is included in trip fees. No private permit needed to dive with a permitted operator.
Nearest recompression chamber
Townsville University Hospital hyperbaric unit (Townsville) – via aeromedical evacuation (RFDS/rescue helicopter from Lizard Island or Cooktown airstrip, or vessel diversion); liveaboards carry oxygen and satellite communications
Diving emergency: call 000, then DAN AP 1800 088 200.
Trip planner
Build a trip around Big Softy →
A day-by-day plan for Ribbon Reefs & Lizard Island with this site locked in.
This guide is a planning aid. Conditions change daily — confirm with a local dive centre and dive within your training. Data & safety notes.
Dive profile
How this site rates
Scores are computed from the recorded data, not opinions. How?
At a glance
Big Softy is a wall liveaboard-only site in Ribbon Reefs & Lizard Island, QLD, 10–30 m, suited to Advanced Open Water divers, variable/tidal current.
Rated intermediate because of depth beyond 18 m, tidal current that must be timed.
Why dive here
- A soft-coral-covered wall dived as a drift with reef sharks and seasonal mantas.
- Visibility often reaches 15-30 m.
Conditions to avoid
- Strong southerly or south-east swell and wind
- Any time other than slack water
- Cyclone season (roughly December–April)
- Stinger season without a full suit (November–May)
About Big Softy
Big Softy takes its name from the large soft corals that cover its wall, and it is one of the drift sites in the Lizard Island Resort outer-reef rotation. The resort describes a wall drift with varied reef topography between 10 and 30 m, with tropical reef fish, grey and blacktip reef sharks and seasonal manta rays.
The wall is sheer in places and broken by cracks, crevices and small ledges that are worth inspecting as the current carries you past. Soft coral trees in shades of pink, purple and cream grow out from the face where the water flow is best, along with sea whips and gorgonians. Above the wall the reef top supports hard coral and schools of small reef fish.
Because it is dived with the tide, Big Softy is an easy way to cover distance, and the combination of soft coral and pelagic traffic makes it a good wide-angle dive. Grey reef sharks cruise the drop-off, blacktips patrol the shallows, and in the cooler months manta rays sometimes pass along the wall. Expect fusiliers, surgeonfish, triggerfish, parrotfish and trevally.
Information on the site is limited to the resort's description, and its exact position is not published. It suits divers with some drift experience who are comfortable ascending under an SMB away from a mooring line, and the crew will usually brief a specific entry point and direction depending on the tide. For divers staying at Lizard Island it adds a wall and soft-coral dive to a program otherwise built around the Cod Hole and nearby bommies.
Getting there & entry
Outer reef wall north-east of Lizard Island near the northern end of the Ribbon Reefs; exact position not published.
Big Softy is dived from Lizard Island Resort as part of its outer-reef program (resort guests only; Lizard Island is a one-hour flight from Cairns, and the outer reefs are roughly 45–55 minutes by boat). Divers are dropped from the boat at the up-current end of the wall and drift along it, with the boat following for pick-up. Liveaboards on the northern Ribbons may use it occasionally.
Entry: Giant stride from liveaboard dive deck; descend mooring or line
Weather, swell & tides
The Ribbon Reefs sit on the edge of the continental shelf and take the full south-east trade wind from April to October. Lagoon-side moorings stay diveable in 20–25 knot SE winds, but reef-front sites and passes need lighter winds; liveaboards shelter behind the reefs overnight. September to December is usually calmest.
Tidal flow through the gaps between the Ribbons is strong on springs, so exposed pinnacles are timed for slack water. December to April brings rain, lower visibility and cyclone risk; box jellyfish and Irukandji are possible November to May. Big Softy is run as a wall drift with the tide and needs light to moderate winds; wind against tide makes pick-up uncomfortable.
Best season: Year-round. Jun–Jul dwarf minke whale season; Aug–Nov calmest seas and best visibility; Nov–Dec coral spawning; Dec–Apr warmest water, more rain and cyclone risk
If it's blown out
Sheltered or shore sites within 25 km that often work when Big Softy doesn't.
- Clam Gardens (Lizard Island) · 22 km · Max 6 m
- Watsons Bay (Lizard Island) · 22 km · Max 8 m
How the dive is usually run
Enter at the up-current end, descend to 18–20 m on the wall and drift with the reef on one shoulder, checking cracks and crevices. Rise gradually along the face as gas is used, deploy an SMB and finish on the reef top for the safety stop.
Marine life
- Grey and blacktip reef sharks →
- manta rays (seasonal) →
- fusiliers
- surgeonfish
- triggerfish
- trevally
- parrotfish; large soft corals
- sea whips
- gorgonians
Linked species have their own page listing every site where they are recorded. All marine life →
Training required
Beyond 18 m an Advanced certification (which includes a deep dive to 30 m) is the accepted minimum. Anything past 25 m is a deep dive in practice.
Open Water divers can dive the shallower section (typical depth 18 m); the full site to 30 m needs Advanced Open Water. Operators often quote Open Water. At more than 25 m this counts as a deep dive: watch no-decompression limits and gas.
Operators' own listing: Open Water.
Courses that help here
- Enriched Air Nitrox – Longer no-decompression time at 25 m and deeper.
- Drift Diver – Current is a feature of the dive.
Depth tiers: 0–10 m easy · to 18 m Open Water · 18–30 m Advanced (25 m+ is a deep dive) · 30–40 m Deep specialty · 40 m+ technical. All courses
Hazards & warnings
Drift dive – SMB and pick-up plan required; depth control on the wall; stingers Nov–May.
Dive centres that go here
Lizard Island Resort dive shop – outer-reef day trips for resort guests.
Operators recorded for Big Softy
Other dive centres in Ribbon Reefs & Lizard Island
Mike Ball Dive Expeditions
ListedCairns · Cairns · QLD
A long-running expedition liveaboard operation associated with Ribbon Reefs and Coral Sea itineraries, including minke whale season trips.
mikeball.com · (07) 4053 0500
Spirit of Freedom
ListedCairns · Cairns · QLD
An expedition liveaboard associated with Ribbon Reefs, Osprey Reef and Coral Sea itineraries.
spiritoffreedom.com.au · (07) 4047 9150
Passions of Paradise
ListedCairns · Cairns · QLD
A Cairns sailing catamaran day trip combining reef diving and snorkelling.
passions.com.au · (07) 4041 1600
Divers Den
ListedCairns · Cairns · QLD
A Cairns operation running both day-boat and liveaboard products alongside a training business and retail presence.
diversden.com.au · (07) 4046 7333
Down Under Cruise & Dive
ListedCairns · Cairns · QLD
A Cairns day-boat operator offering reef diving, snorkelling and introductory diving.
downundercruiseanddive.com.au · (07) 4052 8300
Reef Encounter
ListedCairns · Cairns · QLD
A Cairns-based liveaboard vessel offering multi-day reef stays with day-boat transfers.
reefencounter.com.au · (07) 4037 2700
Map
7 pinned sites. Pins marked approximate on their pages show the general area only; not for navigation.
Satellite views



Big Softy: frequently asked questions
How deep is Big Softy?
Big Softy reaches a maximum depth of 30 m, with the shallowest part at about 10 m; most of the dive is spent around 18 m.
What certification do I need to dive Big Softy?
Advanced Open Water is the recommended minimum. Open Water divers can dive the shallower section (typical depth 18 m); the full site to 30 m needs Advanced Open Water. Operators often quote Open Water. At more than 25 m this counts as a deep dive: watch no-decompression limits and gas. Rated intermediate because of depth beyond 18 m, tidal current that must be timed.
Can I shore dive Big Softy?
No, it is reached by boat. A dive centre is required: boat access only.
When is the best time to dive Big Softy?
Year-round. Jun–Jul dwarf minke whale season; Aug–Nov calmest seas and best visibility; Nov–Dec coral spawning; Dec–Apr warmest water, more rain and cyclone risk.
What marine life will I see at Big Softy?
Regularly recorded: Grey and blacktip reef sharks, manta rays (seasonal), fusiliers, surgeonfish, triggerfish, trevally, parrotfish; large soft corals, sea whips, gorgonians.
What wetsuit do I need at Big Softy?
3 mm full wetsuit or lycra Nov–Apr (27–29°C); 5 mm full wetsuit Jun–Sep (23–25°C); full-length lycra or stinger suit recommended Nov–May.
How cold is the water at Big Softy?
Typically 27-29 °C in summer and 23-25 °C in winter.
What are the main hazards at Big Softy?
Drift dive – SMB and pick-up plan required; depth control on the wall; stingers Nov–May. See the hazards section above for the full list.
Where is the nearest recompression chamber to Big Softy?
Townsville University Hospital hyperbaric unit (Townsville) – via aeromedical evacuation (RFDS/rescue helicopter from Lizard Island or Cooktown airstrip, or vessel diversion); liveaboards carry oxygen and satellite communications. In an emergency call 000, then DAN Asia-Pacific on 1800 088 200.
Diving in Ribbon Reefs & Lizard Island
The Ribbon Reefs are ten long, narrow reefs on the edge of the shelf north of Cairns, reached by liveaboard. They hold the Great Barrier Reef's most famous sites: the Cod Hole and its potato cod, Steve's Bommie's single fish-covered pinnacle, Pixie Pinnacle, the Lighthouse Bommie and Challenger Bay, with dwarf minke whales joining divers in June and July. Lizard Island, a national park with a research station and a resort, sits at the northern end.
Getting there: Three- to seven-night liveaboards from Cairns and Port Douglas, often with a low-level flight back from Lizard Island. Lizard Island resort guests can dive locally.
All Ribbon Reefs & Lizard Island dive sites and a suggested itinerary →
Sources
Data confidence: Low · Being verified: Position unpublished – coordinates are a regional estimate; confirm with Lizard Island Resort.. Last updated September 2026. Know this site better? How to send a correction
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