How to Choose a Dive School in Australia

The best dive school for you is the one whose instructors, class sizes, training sites and booking terms suit you, and you can find that out by asking a handful of questions before you pay. Every Open Water course teaches the same core skills to the same international standard, so the real differences are who teaches you, how many students share them, where, and what the price covers.

This checklist explains what to ask and why each answer matters. It does not rank schools. To find schools near you, start with our dive shop directory, which you can filter by state, agency and service, or go straight to a city: Sydney, Newcastle, Melbourne, Brisbane, Gold Coast, Cairns, Townsville, Perth, Adelaide and Hobart. Not sure about PADI, SSI or the rest? Our agency guide explains why the school matters more than the badge.

1. Who will teach me, and how experienced are they?

Ask who will run your course, how long they have been teaching and how many courses they run a year. SSI and NAUI standards both require an instructor in "active status", meaning current with their agency.

A good school answers happily and will often let you meet the team first. If you are nervous about any part of diving, say so now: how they respond tells you a lot.

2. How many students per instructor, in the pool and in the ocean?

The ratio is how many students one instructor looks after at once. Fewer students means more attention and a closer eye on you if something goes wrong. Each agency sets a maximum:

| Agency | Pool or confined water | Open water dives | With certified assistants | |---|---|---|---| | PADI (Instructor Manual, 2021 edition) | 10 | 8 | Up to 4 more students per assistant | | SSI | 8 | 8 | 10 with one assistant, 12 with two | | NAUI (2026 standards) | 10 | 8 | Open water: 10 with one assistant, 12 with two or more | | SDI (2026 standards) | 8 | 6 | Open water: 8 with one assistant, 10 with two |

These are ceilings, not targets. The PADI, NAUI and SDI standards all tell instructors to take fewer students when visibility, current, surge or other conditions are less than ideal. Numbers also drop for children: PADI allows four students in open water when 10 and 11 year olds take part, SSI four for students aged 10 to 14, and SDI four if any student is under 15.

Some schools publish smaller limits. Adelaide Scuba lists classes of four students, and Diving Adelaide states a maximum of five students per instructor (both checked October 2026). Ask two things: your usual class size, and the most you will ever take.

3. Where are the pool sessions and the ocean dives?

Every course starts in a pool or pool-like water (called confined water) before the ocean. PADI's course has five confined water dives before its four open water dives. SSI caps pool depth at 5 metres and limits the first two open water dives to 12 metres, with the rest no deeper than 18 metres.

Ask which pool you will use and whether it is heated, then which ocean sites the school uses and the backup when the swell is up. Look the sites up on our dive-site hubs, such as Sydney, Melbourne, Adelaide or Perth. Ask how you will get there, too: transport is often not included.

4. Shore dives or boat dives?

A shore dive starts from a beach, rocks or a jetty. A boat dive means a ride out, a jump in and a climb back up a ladder, and reaches sites you cannot swim to. Neither is better: shore entries mean handling your gear in the shallows, boats mean early starts and a strong stomach.

Schools mix them differently. Perth Scuba's course includes two beach dives and two boat dives at Rottnest Island. Go Dive Tasmania's has two shore and two boat dives. Diveline Scuba Centre's has three shore dives and one boat dive. Brisbane Scuba's has four shore dives and two boat dives, and Adelaide Scuba runs boat dives as standard (all checked October 2026). If you get seasick, or plan to shore dive at home afterwards, ask how the course suits that.

5. What gear is included, and how will it fit?

Gear inclusions vary. Some schools supply everything, including mask, snorkel and fins; others expect you to bring your own: Diveline lists mask, snorkel, fins, boots, hoods and gloves as not included. Brisbane Scuba gives students a mask, snorkel, boots and fins to keep.

Fit matters more than brand: a leaking mask or a wetsuit that is too thin makes the course harder. Ask what wetsuit thickness you will wear for the season, and try masks on in the shop before day one. Our guides to choosing your first mask, snorkel and fins, wetsuit thickness and the gear you will use in your course help here.

6. Is the theory online, and when must it be done?

Most schools now use the agency's online course (eLearning) for the theory, done at home before the first practical day. The schools we checked estimate 6 to 12 hours.

Ask whether eLearning is in the price, whether it must be finished before day one, and whether it is refundable once you start. Diving Adelaide says its $180 eLearning portion is non-refundable, Diveline keeps $275 once the eLearning is activated, and Adelaide Scuba says eLearning is not refundable. Adelaide Scuba also suggests getting any medical clearance before you start the eLearning, which is sensible anywhere.

7. What is the full price, and what costs extra?

Here is what five schools in five states include, from their own websites (checked October 2026). It shows how inclusions differ, not which school is best.

| School | Price | Includes | Not included or extra | |---|---|---|---| | Diving Adelaide (SA, PADI) | $549 standard; $424 to $499 each in groups | eLearning, all gear including mask, snorkel and fins | $99 for a pool session outside standard times; $99 to reschedule | | Perth Scuba (WA, PADI) | From $699 | eLearning, 2 beach and 2 Rottnest boat dives, air fills, pool entry, all gear, digital certification card | Public holiday surcharge | | Go Dive Tasmania (Tas, PADI) | $695; $600 to $675 each in groups | eLearning, digital certification, pool session, 2 shore and 2 boat dives, all gear including mask and snorkel | Transport, a National Parks Pass for some sites, food, accommodation | | Diveline Scuba Centre (Vic, PADI) | From $875 | eLearning, three days of tuition, hire gear including a dive computer, pool entry, digital certification card, 1 boat dive | Your own mask, snorkel, fins and boots; hoods and gloves; transport; repeating a day costs extra | | Brisbane Scuba (Qld, SSI) | From $995 | Course registration, 6 open water dives, mask, snorkel, boots and fins to keep, hire gear, boat fees and food on the boat day | Transport to the pool and shore dives; food on days 1 to 3 |

Also ask about a dive medical if you need one, and fees for missed or repeated sessions. Our guide to how much it costs to get scuba certified breaks down every line item, and how long it takes covers the time side.

8. Will I need a medical?

Before the course you fill in a standard medical questionnaire. Answer yes to certain questions and you need a doctor's sign-off before you train. Some schools add their own rules: Go Dive Tasmania requires a medical for anyone aged 45 or over, and Diveline recommends one for everyone. Ask which doctor the school suggests, and sort this out before you pay for anything non-refundable. Our guide to what can disqualify you explains the conditions involved.

9. What happens if the weather turns, or I need to cancel?

Ocean dives depend on swell and wind. Ask how much notice you will get, whether rescheduled dives cost extra and how long you have to finish.

Cancellation terms differ widely. Diving Adelaide gives no refund if you cancel within seven days of the start and charges $99 before that, but offers a free reschedule or full refund if it cancels a course for lack of numbers. Diveline takes a $375 deposit, charges a $100 administration fee on cancellation and 100% of the course cost within 72 hours, and $50 for each postponement. Go Dive Tasmania says fees are non-refundable except as set out in its booking conditions.

Australian Consumer Law sits underneath all of this. According to the ACCC:

- Change of mind is not covered by the consumer guarantees, but a business with a change-of-mind policy must follow it. - Services come with guarantees. They must be provided with due care and skill, be fit for any purpose you made known and, if no time was agreed, be supplied within a reasonable time, which can depend on the weather. - A "no refunds" policy cannot remove those guarantees. If a service has a major problem, such as creating an unsafe situation, you can cancel for a refund (less a reasonable amount for work done) or keep the contract and pay less. - Read the terms first. For travel and tour bookings, the ACCC suggests checking what happens if the business cancels, if you cancel, and if neither of you is at fault, and getting it in writing.

This is general information, not legal advice. If something goes wrong, contact the business first, then your state or territory consumer protection agency.

10. What insurance applies?

Ask the school what insurance it holds and what, if anything, covers you as a student. If you are travelling to learn, check how your travel insurance treats scuba diving.

You will also hear about DAN (Divers Alert Network), a dive safety organisation that sells membership and dive injury insurance. For Australian residents, membership through DAN World costs AUD $82.50 a year for an individual or $110 for a family, and includes emergency medical evacuation assistance when you are at least 80 km from home. Membership itself does not pay treatment costs: those come from separate dive injury insurance (AUD $88 or $143 a year), and for Australian residents those treatment benefits apply only to dive accidents outside Australia (checked October 2026). Read the product disclosure statement before deciding. DAN's emergency hotline within Australia is 1800 088 200.

11. How should I read the reviews?

Look for reviews that mention specifics: the instructor, the class size, how nervous students were helped, and how weather cancellations or refunds were handled. Read the low-star reviews and the school's replies.

The ACCC lists signs that a review may be fake: a spike in very positive or very negative reviews in a short period, similar reviewer names, generic reviews with no detail about the business, and reviews written in similar language. It also notes that platforms which require proof of purchase may be more reliable. It is against the law for a business to create fake reviews, and suppressing or removing genuine negative reviews may mislead consumers.

12. Red flags

- The school skips the medical questionnaire or tells you to "just tick no". - It will not say who teaches you or how big the group is, or the group exceeds the agency maximums. - It plans your first two ocean dives deeper than 12 metres, or all four in one day. PADI and NAUI both cap students at three training dives a day. - The price is vague, or inclusions and cancellation terms are not in writing. - You feel rushed. PADI's standards define mastering a skill as doing it in a reasonably comfortable, fluid and repeatable way. - Questions or nerves are brushed off.

The short version

Ask every school the same questions, get the answers in writing and compare them like for like. Still deciding where to learn? See where to get scuba certified in Australia. Not sure you will like diving? A Discover Scuba Diving session is a low-commitment way to find out, and a good test drive of a school.

Sources

- SSI: Open Water Diver (ISO 24801-2) training standard - NAUI: Standards and Policies Manual, 2026 edition, version 2.0 - SDI: Standards and Procedures, Part 2, Diver Standards - PADI: Instructor Manual, 2021 edition - PADI: Diver Medical Participant Questionnaire (2022) - Diving Adelaide: PADI Open Water Diver Course - Adelaide Scuba: Open Water Diver - Perth Scuba: Open Water Diver beginner course - Go Dive Tasmania: PADI Open Water Dive Course - Diveline Scuba Centre: PADI Open Water Diver Course - Brisbane Scuba: Learn to Scuba Dive - ACCC: Consumer rights and guarantees, accc.gov.au/consumers/buying-products-and-services/consumer-rights-and-guarantees - ACCC: Repair, replace, refund, cancel, accc.gov.au/consumers/problem-with-a-product-or-service-you-bought/repair-replace-refund-cancel - ACCC: Travel delays and cancellations, accc.gov.au/consumers/specific-products-and-activities/travel-delays-and-cancellations - ACCC: Online reviews for products and services, accc.gov.au/consumers/advertising-and-promotions/online-reviews-for-product-and-services - DAN World: For residents of Australia, dive injury insurance plans - DAN World: Membership and insurance FAQs, Australia

Header photo: An instructor and four students in scuba gear during an open water class in shallow water beside a pier in Monterey, California, in July 2008, by Intothewoods29, Public domain, via Wikimedia Commons.