Banda Sea

Dive Site: Koon

Intermediate Wall
© Esri — Source: Esri, Maxar, Earthstar, GIS Community · Labels © Esri — HERE, Garmin, FAO, NOAA, USGS

Which liveaboards dive Koon?

About Koon

Koon is a renowned dive site located in the eastern part of the Banda Sea, specifically within the remote Indonesian archipelago known for its exceptional marine environments. It stands out as a pristine destination accessible primarily by liveaboard, offering divers a chance to explore a thriving underwater ecosystem far from human activity and mass fishing pressures. The site is characterized by an impressive wall that descends into deeper waters, adorned with a multitude of corals and sponges, creating a habitat for countless reef fish and larger pelagic species. Diving at Koon typically involves exploring a reef slope that transitions into a dramatic wall. This topography, combined with mild to moderate currents, makes it an ideal location for drift dives where you can observe a continuous panorama of marine life. The site's remoteness contributes to its exceptional health and the vibrant condition of its reefs, which are considered among the best preserved in Indonesia. While Koon is celebrated for its general marine diversity throughout the diving season, specific pelagic sightings can occur, making it a dynamic dive experience. The general conditions, including good visibility and warm water, make for comfortable diving. This dive site is usually added to longer Banda Sea itineraries, extending the exploration further east from the central Banda Islands. The practical dive experience at Koon is typically a gentle drift along the wall, allowing divers to absorb the abundance of marine life. The clear oceanic waters and minimal human impact create an opportunity for truly immersive and high-quality underwater observation.

Highlights

Vibrant wall and reef slopeDiverse fish speciesOpportunity for pelagic sightingsPristine, healthy coralRemote, uncrowded dive siteGentle drift diving

Season calendar

Best months to dive here
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Excellent
Good

Dive site facts: Koon

Current
Gentle
Visibility
15-30 m
Water temperature
26-29°C
Entry
Tender boat
Level
Intermediate
Dive type
Wall, drift, reef
Region / port
Banda Sea, Eastern Indonesia
Coordinates
3.5358° S, 132.8029° E

Conditions & Currents

Koon typically experiences gentle currents that carry divers comfortably along its wall, facilitating a relaxed drift dive. While the currents are generally mild, their strength and direction can vary, especially with tidal changes. Divers should be prepared for potential shifts and maintain good buoyancy control. Visibility at Koon is consistently good, often ranging from 15 to 30 meters, contributing to a clear view of the diverse marine life. Water temperatures remain warm, averaging around 26-29°C. Entry into the water is usually from a tender boat, with pickups organized to account for the drift. This site is suitable for divers who are comfortable with drift diving and managing their position along a reef.

Marine life & sighting chances

Ghost pipefish at the dive site Koon

Ghost pipefish

occasional
Crabs at the dive site Koon

Crabs

common
Napoleon wrasse at the dive site Koon

Napoleon wrasse

occasional
Tuna at the dive site Koon

Tuna

occasional
Barracuda at the dive site Koon

Barracuda

occasional
Fusiliers at the dive site Koon

Fusiliers

common
Groupers at the dive site Koon

Groupers

common
Snappers at the dive site Koon

Snappers

common

Dive profile & how the dive runs

Dives at Koon typically begin with a tender boat entry directly onto the reef, often as a negative entry to quickly descend to the desired depth on the wall. Divers then drift along the reef slope and wall, exploring the numerous crevices and overhangs for macro life while keeping an eye on the blue for larger pelagics. The dive progresses along the wall, maintaining a depth appropriate for the divers' experience and gas consumption. Turnaround is usually determined by air consumption and bottom time, with the drift carrying divers away from the starting point. The safety stop is conducted in the shallower sections of the reef, typically at 5 meters, before surfacing for a tender boat pickup, which is carefully coordinated to meet divers at their exit point.

Underwater photography

Koon offers excellent opportunities for both wide-angle and macro photography due to its diverse marine life and healthy reef structure. For wide-angle shots, consider a fisheye or wide-angle rectilinear lens to capture the expansive wall, schools of fish, and the pristine coral gardens. The clear visibility is ideal for natural light photography in shallower areas, but strobes will enhance color and detail at depth. For macro subjects like ghost pipefish, crabs, and nudibranchs, a macro lens is essential. Buoyancy control is paramount to avoid damaging the delicate corals and to maintain stable shots in the gentle currents. Be mindful of subject etiquette, giving marine life space and avoiding disturbance.

Combine with nearby dive sites

Getting there & logistics

Access to Koon, like most of the Banda Sea, is exclusively via liveaboard. Trips typically depart from Pattimura Airport (AMQ) in Ambon, which can be reached by connecting flights from major Indonesian hubs like Jakarta (CGK) or Makassar (UPG). Liveaboard itineraries usually range from 10 to 16 nights, with Koon often included in longer routes that extend to the eastern parts of the Banda Sea or the Forgotten Islands. There are no land-based dive resorts in this remote region. Divers should expect to pay national park fees as part of their liveaboard package. Due to the long distances between dive sites, liveaboards are specifically designed for remote crossings, often featuring amenities like Nitrox and multiple tender boats for efficient operations.

Safety & environment

Diving in the remote Banda Sea, including at Koon, requires careful safety planning. The nearest recompression chamber is typically in Ambon, which can be several days' journey from some dive sites, highlighting the need for conservative dive profiles. Evacuation in medical emergencies would involve significant time and resources, often requiring coordination with liveaboard operators and potentially air evacuation to a major hospital. Comprehensive dive insurance, including evacuation and medical coverage, is essential. Site-specific hazards at Koon are generally minimal due to its mild currents, but divers should still be proficient in drift diving techniques and maintain excellent buoyancy. Always follow the dive brief, stay with your buddy, and adhere to conservative depth and bottom time limits given the remote nature of the region.

Who it suits — and who it doesn't

Suited for

  • Advanced Open Water divers with 50+ logged dives
  • Divers comfortable with drift diving
  • Underwater photographers (both macro and wide-angle)
  • Divers seeking pristine, uncrowded reefs
  • Those interested in pelagic encounters

Less suited for

  • Beginner divers or those without drift experience
  • Divers prone to seasickness on open-water crossings
  • Divers seeking shore-based diving options
  • Those uncomfortable with remote, limited medical access areas
  • Divers on short itineraries focused on central Banda

FAQ

Koon FAQ

What kind of marine life can I expect to see at Koon?
At Koon, you can anticipate encountering a rich diversity of reef fish, including triggerfish, groupers, snappers, and butterflyfish. Keep an eye out for larger species like Napoleon wrasse, tuna, and barracuda, which are occasionally spotted. Smaller critters such as ghost pipefish, various crabs, and giant morays also inhabit the reef, making it a great spot for both wide-angle and macro observations.
How strong are the currents at Koon?
Koon is known for its generally gentle currents, which create an enjoyable drift dive experience along its wall. While the currents are usually mild, their strength can vary, so divers should be prepared for potential changes. Your dive guide will provide a briefing on anticipated current conditions for each dive.
Is Koon suitable for beginner divers?
Koon is generally considered suitable for intermediate to advanced divers due to its remote location and the typical drift diving profile. While currents are often gentle, proficiency in drift diving and good buoyancy control are recommended. Divers with less experience or those uncomfortable with open-ocean conditions might find other Banda Sea sites more suitable.
What is the visibility like at Koon?
Visibility at Koon is consistently excellent, often ranging between 15 to 30 meters (50-100 feet). The clear, oceanic waters of the Banda Sea contribute to this superb visibility, allowing for stunning panoramic views of the reef and potential pelagic encounters. These conditions are ideal for underwater photography.
How is Koon typically included in a liveaboard itinerary?
Koon is usually part of longer liveaboard itineraries in the Banda Sea, especially those extending further east or covering the Forgotten Islands. Since it's located in a more remote area, it's often combined with other notable sites like Pulau Hatta, Nil Desperandum, and Manuk Ridge. These itineraries typically last from 10 to 16 nights, departing from Ambon.

Why dive Koon from a liveaboard?

Koon is one of Banda Sea's signature dive sites. A liveaboard sleeps you on the water and puts you in the water for three to four guided dives per day, including dawn and night dives that day-boat operators rarely offer. You skip the daily commute back to port and reach quieter, less-crowded sites in the same region on a single trip.

Below are the liveaboards that include Koon on their Banda Sea itineraries.

Liveaboards diving Koon

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

Wellenreng liveaboard at Koon

Wellenreng

Indonesia

9 guests25 m
$427/day
Mari liveaboard at Koon

Mari

Indonesia

14 guests32.2 m
$328/day
Pindito liveaboard at Koon

Pindito

Indonesia

16 guests37.79 m
$533/day
Mermaid II liveaboard at Koon

Mermaid II

Komodo, Indonesia

18 guests
$355/day
Gaia Love liveaboard at Koon

Gaia Love

Alor

20 guests
$554/day
Emperor Raja Laut liveaboard at Koon

Emperor Raja Laut

Raja Ampat, Indonesia

12 guests31 m
$413/day
Malaillo liveaboard at Koon

Malaillo

Indonesia

14 guests45.57 m
$348/day
Damai II liveaboard at Koon

Damai II

Komodo, Indonesia

14 guests
$459/day
DUNE Aurora liveaboard at Koon

DUNE Aurora

Indonesia

18 guests
$344/day
Calico Jack liveaboard at Koon

Calico Jack

Indonesia

10 guests30 m
$398/day
Coralia liveaboard at Koon

Coralia

Indonesia

16 guests48 m
$577/day
Ilike liveaboard at Koon

Ilike

Indonesia

16 guests40 m
$298/day

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Depth
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12 liveaboards run the Koon route.

Three to four guided dives a day on Koon and the other signature sites in Banda Sea, sleeping right above the reef.