Dive Site: Pulau Nusa

About Pulau Nusa

Pulau Nusa is a remote dive site nestled within Indonesia's vast Banda Sea, forming part of the 'Forgotten Islands' region. This area is celebrated as one of Asia's last frontiers for dive exploration, offering pristine marine environments largely untouched by modern development. The site is characterized by healthy reefs, vibrant walls, and pinnacles that are home to an abundance of marine life. Diving at Pulau Nusa provides access to an extraordinary biodiversity, situated within the Coral Triangle, the global center of marine life. While specific topographical details for Pulau Nusa itself are not explicitly detailed, the surrounding region features steep drop-offs, sloping reefs, and unique underwater landscapes supported by nutrient-rich waters. Divers can anticipate encounters with larger pelagic species, including various sharks, along with abundant reef fish and other creatures thriving in the current-swept conditions. The dive experience is enhanced by excellent visibility and stable water temperatures, making it a comfortable and rewarding destination. Pulau Nusa is typically part of liveaboard itineraries exploring the southern Banda Sea, often combined with other remote islands. It offers a unique opportunity to experience Indonesia's rich underwater heritage away from crowded dive spots, appealing to those seeking an adventurous and natural diving experience.

Dive site facts: Pulau Nusa

Current

Variable, mild to strong

Visibility

20–40 m

Water temperature

25–28°C

Entry

Tender / Liveaboard

Level

Intermediate to Advanced

Dive type

Reef, Walls, Pelagic encounters

Region / port

Banda Sea, Forgotten Islands

Coordinates

6.6346° S, 130.5516° E

Conditions & Currents

Currents at Pulau Nusa, like much of the Banda Sea, can vary significantly, ranging from mild to strong, depending on lunar cycles and specific site topography. These dynamic currents are often strongest in passages between islands and around seamounts, bringing nutrient-rich waters that attract a wide array of marine species, including pelagics. Divers should be prepared for potential drift diving conditions and possess a basic understanding of current diving techniques. While exhilarating, the strong currents mean that entry and exit procedures typically involve tenders, and an advanced understanding of buoyancy and current management is beneficial. Despite the potential for strong currents in some areas, the vastness of the Banda Sea ensures that dive sites suitable for various experience levels are available, with sheltered locations providing calmer conditions. Visibility remains co

Marine life & sighting chances

Hammerhead sharks

March-April, September-November · occasional

Mobula rays

March-April, September-November · occasional

Barracudas

common

Tuna

occasional

Groupers

common

Turtles

common

Sea snakes

common

Reef fish

common

Nudibranchs

occasional

Crustaceans

occasional

Sea fans

common

Sea sponges

common

Dive profile & how the dive runs

Dives at Pulau Nusa typically begin with a tender drop, often involving a negative entry due to potentially strong currents, especially at current-swept sites designed for pelagic encounters. Divers will descend along sloping reefs or steep drop-offs characteristic of the Banda Sea, allowing for depth progression from shallower coral gardens to deeper walls. The primary objective is often to observe schooling fish and larger pelagic species attracted by the rich currents. The route is usually a drift, allowing divers to cover significant ground with the current. Turn points are dictated by air consumption and current strength, with the liveaboard tender often picking up divers downstream. Safety stops are conducted in the blue at shallower depths, with the tender providing support and ensuring diver safety.

Underwater photography

Pulau Nusa's exceptional visibility and diverse marine life make it an excellent location for underwater photography. Wide-angle lenses are highly recommended to capture the expansive reefscapes, steep walls, and schools of pelagic fish, including barracudas and trevally. For photographers hoping to capture hammerhead sharks or mobula rays, patience and anticipation are key, often requiring shots into the blue. Strobes are essential to bring out the vibrant colors of the hard and soft corals. Given the variable currents, maintaining good buoyancy is crucial to avoid touching the reef and to steady your shots. For macro enthusiasts, while the site is known for pelagics, smaller creatures like nudibranchs and crustaceans can be found with a dedicated macro lens, particularly in more sheltered areas or on reef surfaces, though the site is primarily suited for wide-angle and big animal photography.

Combine with nearby dive sites

• Kambing

  Often combined in itineraries that explore the Pantar Strait.

• Nyata

  Explored towards the end of southern Banda Sea cruises.

• Reong

  Included in itineraries exploring the southern Banda Sea before concluding the trip.

• Terbang Islands

  Known for spectacular shallow coral gardens and steep drop-off walls.

• Nuslear

  Visited for its well-known shallow coral gardens and steep walls.

Getting there & logistics

Access to Pulau Nusa is exclusively via liveaboard, typically departing from or concluding in major Indonesian ports such as Ambon, Maumere, or Kupang. Liveaboard trips exploring the Banda Sea and Forgotten Islands usually span 6 to 15 days, with longer itineraries covering more remote sites like Pulau Nusa. Guests often begin their journey with muck diving in Ambon Bay before venturing towards the outer islands. There are no specific permits mentioned for Pulau Nusa itself, but general marine park fees or conservation charges may be incorporated into liveaboard pricing. The remote nature of Pulau Nusa means it is integrated into broader itineraries that combine it with other pristine dive locations in the southern Banda Sea, offering a comprehensive exploration of this unique region.

Safety & environment

Diving in the remote Banda Sea, including Pulau Nusa, necessitates a high degree of self-sufficiency and awareness. While specific recompression chamber locations for the immediate vicinity are not provided, the nearest major medical facilities and chambers would be in larger hubs like Ambon or Kupang, which are often days away by sea. Emergency evacuation would be a complex and lengthy process, making comprehensive dive insurance that covers medical emergencies and evacuation absolutely critical. Site-specific hazards include potentially strong and unpredictable currents, requiring divers to be proficient in drift diving and maintain excellent buoyancy control. Always follow your dive guide's instructions regarding entry techniques, dive profiles, and current management. Adhering to responsible diving practices, such as avoiding contact with marine life and respecting the pristine environment, is paramount.

Who it suits — and who it doesn't

FAQ

Pulau Nusa FAQ

Liveaboards diving Pulau Nusa

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

Wellenreng

Indonesia

9 guests25 m

$427/day

Mari

Indonesia

14 guests32.2 m

$328/day

Pindito

Indonesia

16 guests37.79 m

$533/day

Mermaid II

Komodo, Indonesia

18 guests

$355/day

Gaia Love

Alor

20 guests

$554/day

Emperor Raja Laut

Raja Ampat, Indonesia

12 guests31 m

$413/day

Malaillo

Indonesia

14 guests45.57 m

$348/day

Damai II

Komodo, Indonesia

14 guests

$459/day

DUNE Aurora

Indonesia

18 guests

$344/day

Calico Jack

Indonesia

10 guests30 m

$398/day

Coralia

Indonesia

16 guests48 m

$577/day

Ilike

Indonesia

16 guests40 m

$298/day