Yamacutta Reef is a remote outer-shelf reef on the Great Barrier Reef, lying 40 km east of Dunk Island in Tropical North Queensland. Accessible only by charter boat, this isolated spot rewards those who make the journey with outrageously brilliant blue waters that blur the horizon, pristine coral gardens, and a sense of absolute seclusion. The reef's healthy, less-visited coral formations offer an immersive snorkeling experience far from the crowds, with vibrant hard and soft corals stretching across the reef flat. The striking clarity of the water and the sheer intensity of the blues make it as much a visual feast above the surface as below.
Yamacutta Reef
IntermediateGO
GO
It's a go.
Showing last known conditions
Wave Height 0.1 mSwell Period 5.1 sWind Speed 8.4 knPrecipitation 4.9 mmTidal Phase flood
Last evaluated
The spot
Community-maintained
Community contribution: submitted by Daniel
Know before you go
Logged by the community, confirmed by mods
Moderate risk: Marine stingers (box jellyfish)
Stinger season along the North Queensland coast brings a risk of marine stingers (box jellyfish and Irukandji). Stinger suits are typically provided by tour operators during the warmer months (November–May).
Low risk: Tidal currents
As an outer reef, Yamacutta Reef can experience strong tidal flows that create currents around the reef edges, particularly during spring tides. Snorkelers should stay with the group and be aware of changing tide direction.
Low risk: Ocean swell and wind chop
The reef is exposed to open ocean swells from the Coral Sea. In moderate to strong southeast trade winds (May–October), surface chop and surge can make snorkeling conditions challenging.
Low risk: Remote location — limited emergency access
The reef is a 40 km boat ride from the mainland, far from immediate medical assistance. Snorkelers should be confident in open water and follow all safety briefings from crew.
Low risk: Intense sun exposure
Sun exposure is extreme in tropical Queensland. The combination of reflective water surface and high UV index year-round can lead to rapid sunburn without adequate protection.
Wildlife Guide
No wildlife notes for this spot yet.
Gallery
Be the first to share a photo
No photos yet — yours could be the first.
Photos are reviewed by moderators before they appear.
Getting in
Snorkel tour
Entry
Yamacutta Reef lies approximately 40 km east of Dunk Island, off the coast of Mission Beach in Tropical North Queensland. Access is by chartered boat tour only — departing from Mission Beach (Clump Point boat ramp) or via extended reef tours that include Dunk Island and the outer reef. No public ferry serves the reef directly.
Parking & facilities
Free parking is available at the Clump Point boat ramp area in Mission Beach, the main departure point for Dunk Island and outer reef tours. Street parking is also available in Mission Beach township for tour operators who include coach transfers from Cairns or Mission Beach accommodation.
Spot Map
Community
Trust
Is this spot real, accurate, still loved?
Spots near Queensland
No nearby spots yet.
Needs verification
Quick verify
One tap helps the community keep this spot honest.
About this data
- Conditions last evaluated
- Spot data last updated
- Data sources
- Open-Meteo (marine & weather conditions), tide predictions via UTide, community contributors (descriptions, hazards, marine life).
- License
- Spot content licensed under CC BY-SA 4.0. How's the Spot is open source.
Weather & swell ┬╖ Open-Meteo marine & weather APIs Tides ┬╖ UTide harmonic analysis Sea & safety ┬╖ community reports