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Important Update: ex-HMAS Adelaide Dive Site Closure
For years, Central Coast Divers has proudly operated two double dives every day, welcoming divers from all over Australia as well as international visitors eager to experience one of the country’s most iconic artificial reefs—the ex-HMAS Adelaide.
Unfortunately, despite its proven history as a safe and professionally managed dive site, the department responsible for the wreck abruptly closed the site in July 2024 and will remain closed until further notice!
The justification provided, is that divers may cut themselves on jagged edges—an explanation that overlooks decades of safe diving operations, industry protocols, and the real conditions of underwater environments.
Whilst no diver wants to get hurt, this decision reflects a concerning lack of understanding about managing and evaluating underwater dive sites, and it has resulted in total inactivity for a wreck, that has been a cornerstone of the Central Coast dive economy since 2011.
At this time, no timeline has been provided for when—or if—the ex-HMAS Adelaide will reopen.
This closure impacts not only local operators and visiting divers, but also the broader tourism economy and the reputation of NSW as a world-class diving destination.
Central Coast Divers will continue to update our community as information becomes available. In the meantime, we are directing divers to alternative deep-wreck experiences and XR training opportunities along our coastline to keep advanced divers active, safe, and engaged.
Central Coast run two groups of divers each day weather permitting.
Boat returns to shore, between dives.
Group 1 - 08:00 am and 11:00 am
Group 2 - 09:30 am and 12:30 pm
The ex-HMAS Adelaide is one of the many dive sites we offer! You can join the dive crew as they head out on a morning boat dive to any one, of the many scheduled dive sites, on offer.
- Boat dives depart from Terrigal Haven boat ramp, next to the Fish cleaning table
- Rental equipment is not included.
- Please arrange 24 hours prior to departure
- Book online 24/7
- Bookings are essential.
NOTE: You must be Advanced and or Deep Certified to dive the ex-HMAS Adelaide.
NOTE: Before booking any dives with us, please read our Terms and Conditions including Cancellation Policy.
See below for any additional gear that you may require.
Please note that you must be Nitrox certified in order to hire our Nitrox cylinders.
Local Reef Boat Dives.
Whether you're a seasoned diver or a novice, looking to embark on an underwater adventure, Central Coast Divers offer you an exciting opportunity to explore the mesmerising marine world right in your backyard.
One of the most enticing aspects of local boat dives is the sense of exploration-
The Central Coast boasts a diverse range of dive sites, from kelp forests to rocky reefs, each with its own unique ecosystem and marine life.
As you descend the anchor line into the depths, you will encounter colourful kelp forests swaying with the current, curious blue Gropers, playful schools of yellowtail, with a stunning array of fish species, and if you look carefully in between the rocky nooks and crannies, you may very well find a vibrant Bleekers Blue Devil Fish whilst the majestic Grey Nurse sharks along with sleeping Wobbegong sharks and other reef fishes swim about gracefully.
But that's just the beginning of your underwater journey.
Our expert guides know exactly where to find the most breathtaking marine encounters, including rare sightings of Port Jackson sharks, elegant eagle rays, and the occasional passing manta ray during warmer months.
The vibrant temperate water coral formations create a kaleidoscope of colours that transform with changing light conditions, offering photographers endless opportunities for stunning underwater imagery.
Our Reef Boat Dives are meticulously planned to maximise your experience while prioritising safety.
We provide comprehensive briefings, quality equipment, and personalised attention to ensure even novice divers feel confident exploring these underwater wonders. The memories you will create—from discovering hidden sea caves to witnessing the intricate dance of marine life in their natural habitat—will last a lifetime and have you booking your next dive before you've even dried off.
Double dive excludes tanks or rental gear
Boat Charter Terms and Conditions
🌊 Become a Trident Dive Club Member Today!
The Trident Dive Club isn’t just a membership — it’s your gateway to unforgettable diving, lifelong friendships, and a thriving community of ocean lovers.
Whether you’re new or seasoned, you’ll find buddies, skills, and adventures that make every dive better.
✅ Instantly join a supportive dive family — no more solo dives
✅ Find dive buddies fast through our private group
✅ Join regular weekend dives — all levels welcome
✅ Enjoy exclusive local & international dive trips
✅ Attend social nights, talks & workshops
✅ Unlock huge savings on gear, courses & trips
With over 2,000 members (including 155 Elite divers), you’ll never run out of people to dive, travel, and celebrate with.
🚨 Why wait? More dives, more friends, more skills, more fun.
👉 Join the Trident Dive Club today — and dive into the adventure of a lifetime!
Because the ocean is calling — and you don’t want to miss a single moment.
At Central Coast Divers, our Trident Dive Club gives you the chance to choose the membership that fits your lifestyle and passion for diving.
There are four levels of membership to select from — Bronze, Silver, Gold, and Elite — and each level opens the door to unique opportunities, benefits, and adventures.
Whether you’re looking for value-packed savings, advanced training, exclusive events, or the prestige of diving with our most experienced community, there’s a level that’s perfect for you.
BECOME A MEMBER NOW
Bronze
- Facebook access to Trident scuba page-
- 5% discount off RRP Gear-
- 5% discount off courses-
- Hire a scuba pack 4 times and the 5th hire is FREE
- Hire 9 tanks get 10th hire tank free-
- Bi-monthly newsletter.
Silver Membership benefits
- 7.5% discount off RRP Gear-
- 7.5% discount off courses-
- TEN free air fills or FIVE tank rentals-
-
Hire a scuba pack 4 times and the 5th hire is FREE-
- Hire 9 tanks get 10th hire free-
- Bi-monthly newsletter-
- Single colour Club T shirt-
- Free monthly guided shore dive-
-
5% discount off local getaways
Platinum Membership benefits
- 10% discount off RRP Gear-
- 10% discount off courses-
- One double boat dive with a further 10% Discount on subsequent Boat dives-
- TEN free air fills or FIVE tank rentals-
- Hire a scuba pack 4 times and the 5th hire is FREE-
- Hire 9 tanks and the 10th hire is FREE-
- Tri Colour Club T shirt
- Bi-monthly newsletter-
- One Free monthly guided shore dive-
- Free Ecology specialty course-
- Six-month gear check
Sovereign
- 25% discount Gear Hire-
- 15% discount off dive courses-
- Two double boat dives with a further 25% Discount on subsequent Boat dives-
- Ten Nitrox fill card -
- Hire a scuba pack 4 times and the 5th hire is FREE-
- Hire 9 tanks and the 10th hire is FREE-
- Embroidered Club Polo Shirt-
- Free monthly guided shore dive-
- Skills update in Pool-
- Priority getaway booking-
- Two free ecology courses-
- Bi-monthly newsletter-
- Free Annual Gear service. (Not parts)-
- Free six months equipment check
BONUS Benefits As a Gold and Elite MEMBER
- If you LOG 25 dives with Central Coast Divers in your ‘membership year’ you receive a total of 25 loyalty dollars
- If you LOG 50 dives with Central Coast Divers in your ‘membership year’ you receive a total of 50 loyalty dollars
- If you LOG 75 dives with Central Coast Divers in your ‘membership year’ you receive a total of 75 loyalty dollars
Refer a friend program –
It’s always better to dive with friends!
Simply refer and sign up a friend who completes a Learn to scuba diving course with us, and as a thank-you, you will both receive a complimentary Double Dive.
You can choose between an ex-HMAS Adelaide wreck dive or a Reef adventure, and we will supply all the hire gear you need.
It’s our way of saying thanks for helping grow the Central Coast diving community!
Central Coast Divers offer a single guided boat dive each week.
A guided boat dive is the perfect way to explore deeper or more distant dive sites safely and comfortably.
You’ll board a fully equipped dive vessel and be briefed by an experienced dive guide who leads the group underwater, pointing out marine life and key features along the way.
All logistics — from site selection to entry and exit — are handled for you, so you can simply relax, dive, and enjoy the adventure. Ideal for certified divers wanting to discover new locations or refine their skills under professional supervision.
Departs - 08:00 am and returns by 10am
- Boat dives depart from Terrigal Haven boat ramp, next to the Fish cleaning table
- Rental equipment is available for hire.
- Please arrange 48 hours prior to departure
- Book online 24/7
- Bookings are essential.
- Arrive 30 minutes prior to allow ample time for gear setup
- Boat departs promptly on time
NOTE: Before booking any dives with us, please read our Terms and Conditions including Cancellation Policy.
See below for any additional gear that you may require.
Please note that you must be Nitrox certified in order to hire our Nitrox cylinders.
