3rd Gutter

Best months: Jan–Mar

Protected Area

Bushrangers Bay

Why dive here

With 199+ marine species recorded in the area - including blue sharks, bull sharks, dolphins, dugongs and great white sharks - 3rd Gutter offers some of Sydney & New South Wales's richest reef diving. Water ranges 18-23°C, warmest January, February, March.

Best timeJan–Mar

WetsuitA 3mm full wetsuit

Marine lifeBlue Sharks, Bull Sharks, Dolphins, Dugongs and Great White Sharks · 199+ species recorded

Water18-23°C · warmest January, February, March

CharacterReef dive · max 18-22m

StandoutExceptional marine biodiversity

3rd Gutter is one of those Sydney sites that really delivers if you know what to look for, and we think it's often overlooked for its flashier neighbours. Descending into that 19-metre maximum, we usually find a surprisingly busy stretch of rocky reef, especially considering its proximity to the city. The real magic here, for us, is in the smaller stuff, the sort of things you only spot when you slow right down and really scan the crevices and the leafy growth. We've spent entire dives here captivated by frogfish, masters of camouflage, and if you’re patient, you might just spot a Sydney pygmy pipehorse swaying gently. Keep an eye out for nudibranchs, too; they seem to pop up in every colour imaginable. It’s a genuinely relaxing dive, generally with manageable currents, making it perfect for photographers or anyone who just wants to drift and observe. Visibility averages around 8 metres, which is decent for Sydney, but we’d suggest timing your dive for an incoming tide to potentially catch it at its clearest.