Dive sites
Two Towers
Ribbon Reefs & Lizard Island · QLD · Pinnacle/Bommie · Boat (multi-day/liveaboard)
Explore →THE DIVER’S RESOURCE CENTRE
Better questions. Useful answers.
Find a lesson, look up a word, check the forecast or find the manual for your gear. Bring your next diving question here.
FIND YOUR NEXT ANSWERNEW / INTERACTIVE TOOLS
Planners, checklists & logs
Eight tools to organise a trip, compare courses, keep equipment records and prepare useful notes.
Open the tools →01 / BEFORE YOU TRAVELWeather & dive preparation
Official forecasts, tide information and a worksheet to take to your briefing.
Open the preparation resources →02 / KNOW YOUR EQUIPMENTManuals & manufacturer support
Find the correct documents for your model and prepare a useful support enquiry.
Find your brand →Search places, operators and learning
Search Australian dive sites, dive centres, regions, published guides, courses and definitions in one place. Filter by type to narrow your results.
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Guides
Types of Dive Businesses
Full-service centres, training schools, destination operators, charters, resorts and technical facilities are different things.
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Tyre Reef
Melbourne & Port Phillip Bay · VIC · Artificial Reef · Boat
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Tyre Reef (South Maroubra)
Sydney South & Botany Bay · NSW · Wall · Boat
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Ulidia Wreck
Perth · WA · Wreck · Boat
Explore →Regions
Ulladulla
New South Wales · Regional dive-site directory
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Ulladulla Harbour
Ulladulla · NSW · Shore/Rock Platform · Shore
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Under the Tube (Moon Island)
Newcastle & Lake Macquarie · NSW · Wall · Boat
Explore →Safety guides
Understand your gas reserve
Returning with gas is the outcome of planning and monitoring, not a reason to copy someone else’s pressure number.
Explore →Safety guides
Understanding partial pressure
A gas mixture has the same percentage in the cylinder while its partial pressures change with depth.
Explore →Beginner lessons
Understanding the BCD
Recognise the role of a buoyancy control device.
Explore →Beginner lessons
Understanding visibility
Explain why a visibility estimate needs context.
Explore →Dive centres
Underwater Adventures Tasmania
Battery Point · TAS
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Underwater Navigation
Finding your way with a compass and natural references — essential for Australian shore diving.
Explore →Glossary
Underwater photography
Making photographs below the water surface, adding equipment and attention demands to the activity.
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Underwater Photography
Taking photographs that are worth keeping — which starts with buoyancy, not with a camera.
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Underwater Photography Etiquette
How to make better images without damaging habitat, crowding wildlife or turning a group dive into a private photo session.
Explore →Dive centres
Underwater Safaris Narooma
Narooma · NSW
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Underwater Sports
Holden Hill · SA
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Undine Reef
Port Douglas · QLD · Reef · Boat (day trip)
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Unicorn's Playground
Cocos (Keeling) Islands · EXT · Reef · Boat (day trip)
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United Divers
Fairy Meadow · NSW
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Upolu Cay
Cairns · QLD · Reef · Boat (day trip)
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Uribes Wreck
Rottnest Island · WA · Wreck · Shore
Explore →Looking for a place or an operator?
Use the dedicated directories for state and dive-type filters.
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