Dive Site: Lighthouse Bay

About Lighthouse Bay

Lighthouse Bay is a protected gem situated on the eastern side of the Cape Range Peninsula, within the expansive Ningaloo Marine Park in Western Australia. This fringing reef system provides an exceptionally accessible entry point to a world-class coral environment, perfect for divers of all skill levels, snorkellers, and swimmers. Its location on the gulf-facing side shields it from the strong Indian Ocean swell, ensuring consistently calmer conditions. The reef structure begins near the shoreline, transitioning from sandy beaches to seagrass beds in the shallows. As you move further out, vibrant fringing coral reefs emerge, increasing in complexity and coverage down to depths of 15–18 meters at the outer edge. The hard coral community thrives here, featuring intricate plate corals, robust brain corals, and delicate branching Acropora, which collectively create a rich habitat for countless marine species. Marine life is abundant and diverse, ranging from colorful parrotfish and schooling surgeonfish to large Maori wrasse, indicating a healthy and protected ecosystem. Green and hawksbill turtles are common, gracefully feeding on the reef and seagrass. Seasonal visitors include dugongs in the seagrass beds, manta rays crossing the bay entrance, and reef sharks patrolling the outer reef, offering consistent opportunities for encounters with charismatic megafauna. Entry is typically from shore, making it convenient for dive operators to conduct introductory dives and check-outs. Visibility is generally excellent, particularly during the dry season from April to October, often exceeding 15 meters. While conditions are largely calm, divers should be aware of potential marine stingers during the warmer months and boat traffic within the bay.

Dive site facts: Lighthouse Bay

Depth

2–18 m

Typical dive

8–15 m

Current

Mild to occasional strong surface currents

Visibility

5–30 m

Water temperature

21–28 °C

Entry

Shore / Boat

Level

Beginner to Intermediate

Dive type

Fringing coral reef, macro, large pelagics

Region / port

Exmouth, WA

Coordinates

22.3572° S, 113.7852° E

Conditions & Currents

Lighthouse Bay is generally known for its calm conditions due to its sheltered position on the eastern, gulf-facing side of the Cape Range Peninsula. However, surface currents can be present, and divers may encounter a strong surface current, particularly when entering the water from a boat. While not consistently strong, these currents necessitate awareness and potentially a surface swim to the descent point. Visibility can fluctuate with weather and season; typical conditions range from 15 to 25 meters during the dry season, but windy days can stir up the sandy bottom, reducing visibility temporarily to as low as 5 meters in some areas. There are no notable thermoclines mentioned, but water temperatures vary seasonally. Boat traffic within the bay requires divers to stay alert and follow dive leader instructions, especially during ascent and descent.

Marine life & sighting chances

Parrotfish

common

Surgeonfish

common

Maori Wrasse

common

Green Sea Turtle

common

Hawksbill Sea Turtle

common

Dugong

Seasonal · occasional

Reef Shark

occasional

Manta Ray

occasional

Olive Sea Snake

common

Wobbegong

occasional

Leopard Shark

occasional

Moray Eel

occasional

Dive profile & how the dive runs

Dives at Lighthouse Bay typically begin with an easy shore entry from the beach, or a short boat ride from Bundegi Beach, depending on the specific site. Upon entering, you'll first navigate shallow seagrass beds, gradually transitioning to vibrant fringing coral reefs. The depth steadily increases from 3-8 meters, offering extensive coral coverage and fish life, before reaching the outer reef edge at around 15-18 meters. The dive route usually involves exploring the reef structure, which features limestone outcrops and diverse hard coral formations. Specific sites like Blizzard Ridge, The Labyrinth, Gulliver’s, Dibley’s, and Helga’s Tunnels offer varied topography. Divers typically maintain a relatively shallow profile to maximize bottom time and appreciate the reef's health. The turn point is often determined by air consumption or dive time, with the return journey tracing similar depths back towards the shore or boat. Safety stops are comfortably conducted in the shallower sections of the reef, often around 5 meters, within view of the diverse reef life.

Underwater photography

Lighthouse Bay's shallow depths and excellent visibility make it superb for wide-angle photography, capturing the expansive coral gardens and schooling fish. A dome port with a wide-angle lens is ideal for showcasing the reef's structure and vibrant hard corals. For capturing details of the smaller reef inhabitants like nudibranchs or pipefish, a macro lens with powerful strobes or a snoot will highlight their intricate features against the colorful backdrop. Given the prevalence of ambient light, pay attention to exposure settings to avoid blowing out highlights on lighter sands or corals. Patience is key for photographing the resident turtles and occasional dugongs; approach slowly and avoid disruptive movements. Ensure excellent buoyancy control to protect the delicate corals and to maintain stable shots in potential surface currents.

Combine with nearby dive sites

• Flynn Reef

  Flynn Reef, situated on the Outer Great Barrier Reef approximately 60-80 kilometers offshore from Cairns, is a highly favored dive site…

• Hastings Reef

  Hastings Reefs, an integral part of the Outer Great Barrier Reef, is conveniently located approximately 60 km from Cairns, making it a…

• Milln Reef

  Milln Reef, located approximately 60km offshore from Cairns within the Great Barrier Reef, stands out as a highly favored outer reef…

• Norman Reef

  Norman Reef is a prominent Outer Great Barrier Reef dive site, positioned on the continental shelf roughly 70 to 80 kilometers from Cairns.

• Lady Musgrave Island

  Lady Musgrave Island, located approximately 102 kilometres north of Bundaberg, is a true coral cay in the Southern Great Barrier Reef…

Getting there & logistics

Access to Lighthouse Bay is via Exmouth, Western Australia. The closest airport is Learmonth (LEA), served by Qantas, a two-hour flight from Perth. From Learmonth, it's a 30-minute drive to Exmouth. Exmouth serves as the primary base for diving operations, with several dive shops offering trips to Lighthouse Bay. The bay is part of the Cape Range National Park, and entry fees apply. Dives here are often part of a broader Ningaloo Reef itinerary, which can also include trips to the Muiron Islands or the renowned Navy Pier. Typical dive packages can range from single day trips to multi-day excursions. Visitors should plan for accommodation in Exmouth, which offers full services. Stinger suits are strongly recommended from October to April due to the presence of box jellyfish.

Safety & environment

For diver safety, the nearest recompression chamber is located in Perth, making a rapid evacuation potentially challenging. It is paramount for all divers to have comprehensive dive insurance that covers emergency medical treatment and evacuation. Site-specific hazards at Lighthouse Bay include marine stingers, particularly box jellyfish, prevalent from October to April; wearing a stinger suit during these months is strongly recommended. Boat traffic within the bay requires divers to use surface markers and maintain vigilance, especially during ascent. Divers should always follow local dive operator briefings and stay aware of their surroundings to avoid contact with potentially strong surface currents or the fragile coral reef. Entry from shore is generally easy, but proper buddy procedures and buoyancy control are essential to prevent damage to the reef.

Who it suits — and who it doesn't

FAQ

Lighthouse Bay FAQ

Liveaboards diving Lighthouse Bay

These liveaboards may visit Lighthouse Bay on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Spoilsport

Australia

28 guests30 m

$409/day

Odyssey Liveaboard

Australia

20 guests24 m

$392/day