Ambon

Ambon sits in Maluku, eastern Indonesia, and is a macro destination first and last. The core diving is muck: black-sand and rubble slopes inside Ambon Bay, mostly at Laha on the north shore, minutes from Pattimura Airport.

Best time
Oct–Apr
Certification
Open water
Budget
$–$$ · under $2,000 to $2,000–4,000
Trip length
5–10 days
Trip style
Land based, Day trip, Liveaboard, Shore dive
Access
Moderate

The short version

Known forAmbon Bay's black-sand muck.

Main tradeoffAmbon Bay is a working harbour.

A small orange frogfish resting camouflaged on the sandy seabed

Photo: Oliver Schwaneberg / Unsplash

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Your outlook

Explore 7 dive sites

Browse the map and wildlife below, or add an optional preference to narrow Ambon.

Most relevant wildlife

  • Hairy frogfishJan–Dec
  • MandarinfishJan–Dec
  • Ambon scorpionfishJan–Dec
  • Banggai cardinalfishJan–Dec

Plan the trip

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7 sites shown.

Conditions referenceSeason, water and visibilityBest Oct–Apr · Mild current · 26–31°C (coldest Jun, warmest Mar)
Best months Operating
Current
Mild
Water temperature
26–31°C (coldest Jun, warmest Mar)
Visibility
5–30m: Two different numbers for two different kinds of site.
Experience
The bay muck sites are shallow, low-current and fine for Open Water divers: most of the interesting stuff sits between 5 and 20m.

01 · Marine life

What you may see

rareoccasionalcommonly seenpeak seasondestination closed

Sightings are never guaranteed. The bars show typical likelihood by month.

Hairy frogfishAntennarius striatus
Sighting likelihood by month
MonthLikelihood
Januarycommonly seen
Februarycommonly seen
Marchcommonly seen
Aprilcommonly seen
Maycommonly seen
Junecommonly seen
Julycommonly seen
Augustcommonly seen
Septembercommonly seen
Octobercommonly seen
Novembercommonly seen
Decembercommonly seen

Reported year-round on the Laha muck slopes, often on open sand or against debris.

MandarinfishSynchiropus splendidus
Sighting likelihood by month
MonthLikelihood
Januarycommonly seen
Februarycommonly seen
Marchcommonly seen
Aprilcommonly seen
Maycommonly seen
Junecommonly seen
Julycommonly seen
Augustcommonly seen
Septembercommonly seen
Octobercommonly seen
Novembercommonly seen
Decembercommonly seen

Ambon Bay has established dusk sites for mandarinfish mating, run as scheduled sunset dives rather than chance encounters.

Ambon scorpionfishPteroidichthys amboinensis
Sighting likelihood by month
MonthLikelihood
Januarycommonly seen
Februarycommonly seen
Marchcommonly seen
Aprilcommonly seen
Maycommonly seen
Junecommonly seen
Julycommonly seen
Augustcommonly seen
Septembercommonly seen
Octobercommonly seen
Novembercommonly seen
Decembercommonly seen

A standard find on the Laha slopes year-round, though 'standard' still means a guide spotting a motionless, algae-coloured fish on sand.

Banggai cardinalfishPterapogon kauderni
Sighting likelihood by month
MonthLikelihood
Januarycommonly seen
Februarycommonly seen
Marchcommonly seen
Aprilcommonly seen
Maycommonly seen
Junecommonly seen
Julycommonly seen
Augustcommonly seen
Septembercommonly seen
Octobercommonly seen
Novembercommonly seen
Decembercommonly seen

Not native here.

See all 12 species

02 · Dive sites

Dive sites worth knowing

A starting point, not a ranking. Conditions decide what works on the day.

See all 7 dive sites
03 · LogisticsGetting there and costsModerate. Fly to AMQ. Typical trip $–$$.

Route overview

Moderate

Reachable but with some friction: 1 domestic flight.

Airport options

AMQ

Pattimura Airport, Ambon

Domestic only in practice. Direct overnight and daytime flights from Jakarta (CGK, about 3h30); everything else routes via Makassar (UPG), with Manado (MDC) and an alternate-day Sorong (SOQ) link also used. The airport sits in Laha village, next to the main muck sites.

UPG

Sultan Hasanuddin International Airport, Makassar

Nearest international airport with useful connections; one domestic hop of roughly 1h45–2h onward to Ambon

Typical trip cost

$–$$

under $2,000 to $2,000–4,000

Per person, excluding international flights.

  • Land-based Ambon is at the cheaper end of Indonesian macro diving.
  • Ambon Dive Resort publishes 7 nights with 12 dives at about €1,445–1,725 per person and 7 nights with 18 dives at €1,685–1,965 for 2025/26, rising to €1,517–2,070 for 2026/27: meals, tanks, weights and airport transfers included, roughly $1,600–2,300.
  • Nitrox is about €5 per tank there and a blackwater dive about €70.
  • No marine park fee is charged for the Ambon Bay muck sites.
  • Flights are extra: Jakarta–Ambon returns are commonly quoted at $280–500.
  • Banda Sea liveaboards departing Ambon are a separate bracket, usually 7–12 nights and well above the land-based figures.

Sources & last checked

Checked August 2026

Research is source-backed, but conditions and fees should still be confirmed locally.

View 12 sources and checking notes

Note on the data: Site coordinates are approximate village- or headland-level positions, not surveyed dive-site GPS — Tanjung Nama and the Duke of Sparta wreck are the least certain of them. Seasonality is well supported: Climates to Travel and multiple climate datasets agree Ambon's wet season runs roughly May–September with June the wettest month (about 445mm) and November the driest (about 105mm), which is the reverse of the usual Indonesian pattern; the dive-side claim that this closes the outer coast rests on operator and guide sources rather than a primary one. Prices come from one resort's published rate card (Ambon Dive Resort) plus a flight-cost range from a second operator, so treat them as indicative. The psychedelic frogfish is listed as Not Evaluated on FishBase — there is no IUCN assessment at all, so its status is coded 'unknown' rather than guessed; recent-sighting evidence is thin and comes from diver forum reports and trip write-ups, not survey data. Note a common conflation corrected here: the well-known 'Batu Kapal' pinnacle usually named alongside Ambon is in the Banda Islands, roughly 200km southeast and about 8 hours by ship, not an Ambon day-trip site, so it is not listed. Sources also disagree on the identity and sinking date of the Ambon Bay wreck (Duke of Sparta / SS Aquila, wartime versus 1958), so that is left vague. Visibility figures are ranges reported across several independent write-ups rather than measured data. Water temperature: Monthly minima and maxima are the recorded surface range rounded to whole degrees, not the monthly average; the averages sit near 29.5°C in December–April and near 26.5–27°C in July–August, which matches Climates to Travel's figures for Ambon. A 3mm suit is normal; some divers add a hood or a 5mm for long macro dives in July–September. Access: Ambon's Pattimura Airport (AMQ) handles no scheduled international flights, so reaching it means at least one domestic leg — direct from Jakarta in about 3h30, or roughly 1h45–2h from Makassar, the nearest international airport with connections; road transfer from AMQ to the Laha-area resorts is about 20–35 minutes and no open-water crossing is involved. Independently verified 2026-08-28: Ambon's reversed mid-year wet season CONFIRMED against Weather Spark's ERA5 Pattimura series (June wettest, November driest) and BMKG/BPS station material — the 445mm/105mm magnitudes are not reproduced by reanalysis but the pattern holds. Batu Kapal exclusion confirmed correct (it is a Banda Neira site). Pteroidichthys amboinensis confirmed valid and distinct from Rhinopias frondosa. Corrections applied: airport transfer 0.6h→0.25h (resorts split across the bay), mid-year water-temp minima raised to 26°C with the Banda Sea upwelling mechanism now cited, frogfish scarcity revised (it is scarcer than first written, and the 'lives deeper than recreational depths' explanation is contradicted by the type material at 5–7m).