
Hat Island
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All about Hat Island dive site
Hat Island is often grouped with the far-northern route, where the water feels less predictable and the sites are more exposed to open-ocean moods. It’s typically described as a reefy counterpoint to the area’s more famous walls and drifts
What to see
Reef fish diversity is often emphasised here, with the wider northern circuit associated with sharks and rays when conditions cooperate. It’s a site that tends to reward patient scanning along the reef edge
When To Go Diving
June to November is often cited for peak pelagic potential in cooler, nutrient-rich water, while December to May tends to be warmer and often clearer. Water across seasons is commonly described within about 16–28°C overall, and visibility can vary widely depending on current and plankton




