Dive Site: Buyuk

About Buyuk

Buyuk is one of several dive sites along the northern coast of Nusa Penida, a region renowned for its rich marine biodiversity and strong oceanic currents. The site is particularly famous for encounters with the elusive Mola Mola, or oceanic sunfish, especially from June to October when water temperatures drop. As part of the Nusa Penida Marine Protected Area, Buyuk benefits from conservation efforts that support its healthy coral reefs and abundant fish populations. The topography at Buyuk typically involves sloping reefs that descend to depths where Mola Mola are often found. Divers can expect to explore vibrant hard and soft coral formations, which provide habitat for a variety of reef fish and macro life. The site's location on the north side of Nusa Penida means it is exposed to the nutrient-rich upwellings that characterize the area. While Mola Mola are the main draw during the cooler season, the site offers excellent diving year-round with possibilities to see reef sharks and a wide array of tropical fish. The currents here can range from mild to strong, offering exhilarating drift dives over the dynamic reefscapes. Divers should be prepared for varying conditions, including potential thermoclines when Mola Mola are present. Diving at Buyuk usually involves boat entries, often as part of a day trip from Sanur or a multi-day itinerary based in Nusa Penida or Nusa Lembongan. The dives are typically guided, with experienced local dive operators navigating the currents and identifying marine life. It is generally recommended for Advanced Open Water divers due to the potential for deeper dives and stronger currents.

Dive site facts: Buyuk

Depth

Up to 40 m

Current

None to strong

Visibility

15–30 m

Water temperature

18–28°C (with thermoclines)

Entry

Boat / negative entry possible

Level

Advanced Open Water recommended

Dive type

Drift, pelagic, reef

Region / port

Nusa Penida, Bali

Coordinates

8.6996° S, 115.5925° E

Conditions & Currents

Buyuk, situated on the northern coast of Nusa Penida, experiences currents that can vary significantly, ranging from gentle to strong drifts due to its location at the confluence of the Indian and Pacific Oceans. These currents bring nutrient-rich upwellings, particularly during the Mola Mola season from June to October, when water temperatures can drop to 20°C at depth, sometimes creating distinct thermoclines. Divers should be prepared for potential negative entries to descend quickly before being swept away by stronger currents. Maintaining good buoyancy control is crucial for navigating the site and staying close to the reef to minimize current exposure. Visibility is generally good, often exceeding 15 meters, but can be affected by plankton blooms that attract larger marine life. Dive operators typically conduct thorough briefings, emphasizing group cohesion and the use of surface m

Marine life & sighting chances

Oceanic Sunfish (Mola Mola)

June-October · occasional

Reef Whitetip Sharks

occasional

Reef Blacktip Sharks

occasional

Green Sea Turtles

occasional

Hawksbill Sea Turtles

occasional

Schools of reef fish

common

Various hard corals

common

Various soft corals

common

Dive profile & how the dive runs

Dives at Buyuk typically begin with a boat entry, often a negative entry is performed to quickly descend below the surface current. The dive often follows the contour of the reef along Nusa Penida's northern coast, where the main objective is to look for Mola Mola, which are typically found at deeper depths, sometimes up to 40 meters. The route may involve a drift along the sloping reef, allowing divers to conserve air and cover more ground while observing the vibrant coral formations and diverse marine life. During Mola Mola season, divers will carefully monitor depth and temperature, as these sunfish prefer colder water. The dive concludes with a gradual ascent, keeping an eye on the safety stop area, often in shallower, current-protected sections of the reef, before surfacing to the dive boat.

Underwater photography

Buyuk offers excellent opportunities for wide-angle photography, especially during the Mola Mola season. A wide-angle lens (e.g., 10-24mm or fisheye) is essential for capturing the expansive reefscapes and large pelagics like the oceanic sunfish. Consider external strobes to bring out the vibrant colors of the corals and fish, as deeper dives may reduce natural light. Due to potential currents, stable buoyancy is crucial for sharp images and to avoid contact with the reef. When photographing Mola Mola, maintain a respectful distance and avoid aggressive pursuit, letting the animal approach if it chooses. For macro enthusiasts, while the site is known for pelagics, careful observation of the reef can reveal smaller creatures, requiring a macro lens and potentially a snoot for creative lighting.

Combine with nearby dive sites

• SD Point

  Another Mola Mola site on Nusa Penida's north coast

• Pura Ped

  Northern Nusa Penida site for Mola Mola sightings

• Santal

  Located on Nusa Penida's north coast, known for Mola Mola

• Crystal Bay

  Primary Mola Mola site in Nusa Penida, often colder

• Manta Point

  Shallow site for Manta Rays, often combined with Nusa Penida trips

Getting there & logistics

To dive Buyuk, you will typically depart from Sanur on Bali's mainland or from Nusa Penida or Nusa Lembongan. Fast boats from Sanur to Nusa Penida take approximately 45 minutes, with most dive boats leaving early morning to capitalize on favorable conditions. Day trips from Sanur are common, though staying on Nusa Penida or Lembongan allows for more flexible dive scheduling and a quieter atmosphere. Dive packages often include transfers, boat rides, and guided dives. AOWD certification is generally recommended for Nusa Penida diving, including Buyuk, due to deeper Mola Mola encounters and strong currents. There are no specific park fees mentioned for Buyuk itself, but marine park regulations apply to the wider Nusa Penida Marine Protected Area.

Safety & environment

Diving at Buyuk, particularly for Mola Mola encounters, often involves deeper dives and can present strong currents, necessitating advanced training and experience. Divers should carry a surface marker buoy (SMB) and know how to deploy it, as well as a reef hook (used responsibly on dead rock only) for strong currents. Proper thermal protection, such as a 5mm wetsuit, is advised due to potential cold thermoclines, especially during the Mola Mola season when temperatures can drop to 18-20°C. The nearest recompression chamber is located in Denpasar, Bali. In case of an emergency, evacuation would likely involve boat transfer to Nusa Penida or the mainland, followed by ground transportation. Comprehensive dive insurance covering hyperbaric treatment and evacuation is highly recommended for all divers.

Who it suits — and who it doesn't

FAQ

Buyuk FAQ

Liveaboards diving Buyuk

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

Naga Biru

Indonesia

12 guests40 m

$274/day

Ilike

Indonesia

16 guests40 m

$298/day

Mermaid I

Alor

15 guests28 m

$372/day

Sunshine Liveaboard

Indonesia

10 guests31 m

$191/day

Tiare Cruise

Indonesia

12 guests36.5 m

$473/day