How deep is Blue Light Cave (Kakaban)?

Blue Light Cave (Kakaban) ranges from 2 to 44 metres deep (7–144 feet) — a deep dive at its limit. It is a saltwater site rated as expert difficulty. Depths vary across the site, so plan your profile to your training and verify conditions locally.

Is Blue Light Cave (Kakaban) a shore dive or a boat dive?

Blue Light Cave (Kakaban) is a boat dive — access is by boat rather than from shore. The entry is recorded as a giant-stride entry. The entry area is recorded as sheltered from surge. No facilities are recorded at the site, and cell service is recorded as good. Entry details and parking notes, where known, are listed in the access section of this page.

Can beginners dive Blue Light Cave (Kakaban)?

Blue Light Cave (Kakaban) is rated as expert difficulty, which may not suit new divers. Listed depths run from 2 to 44 metres (7–144 feet). Access is by boat, with the entry recorded as a giant-stride entry. Consider your experience level, conditions, and local guidance before planning.

When is the best time to dive Blue Light Cave (Kakaban)?

The best time to dive Blue Light Cave (Kakaban) is typically Year-round in calm conditions. Conditions vary, so check the latest reports and forecasts on the dive site page before your trip.

What will I see at Blue Light Cave (Kakaban)?

Divers at Blue Light Cave (Kakaban) in Indonesia commonly report sightings of Glassfish, Soldierfish, Reef fish (at entrance/exit), Lobster, and Sponges. Glassfish, Reef fish (at entrance/exit), and Sponges are recorded as common sightings, while Soldierfish and Lobster are reported only occasionally. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

Add the first photo

ExpertBoat entry

Blue Light Cave (Kakaban)

East Kalimantan, Indonesia

2–44 m depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

Blue Light Cave (Kakaban) at a glance

Blue Light Cave (Kakaban) is an expert boat dive site in East Kalimantan, Indonesia with depths of 2–44 m (7–144 ft). Typically most favorable Dec–Oct · from 3 years of archive data. Divers commonly see Glassfish, Soldierfish, and Reef fish (at entrance/exit). Recent reports put the water around 30°C (86°F). Check the latest conditions and entry details before you go.

Marine model · graded 1h ago

0.1 mwaves — under half a meter expected

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 30°C

Site hazards: Overhead environment, narrow chimney, significant depth, silt-out risk, no direct ascent

Read the full hazards ↓

Dive windows this week

Best: Sun

Sat6:00–19:00

Sun6:00–19:00

Mon6:00–19:00

Tue6:00–19:00

Wed6:00–19:00

Thu6:00–19:00

Fri6:00–19:00

Favorable windowModerate window— no window

First light 5:37 · Sunrise 5:58 · Sunset 18:06

Source: Open-Meteo marine · model point 8.3 km from site · graded 1h ago

Forecast only — always assess conditions on site.

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: Glassfish, Reef fish (at entrance/exit), Sponges

Best time: Year-round in calm conditions

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

Jan100%29°C0.3 m
Feb100%29°C0.4 m
Mar100%29°C0.4 m
Apr100%30°C0.3 m
May100%31°C0.2 m
Jun100%30°C0.2 m
Jul100%30°C0.4 m
Aug100%30°C0.3 m
Sep100%30°C0.3 m
Oct100%30°C0.2 m
Nov99%30°C0.3 m
Dec100%30°C0.3 m

January, February, March, April, May, June, July, August, September, October, and December havetypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site, by month

Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.

Species seen here

Galaxea fascicularis recorded here Jun (1 record)
most recent 2013
Madrepora arbuscula recorded here Jun (1 record)
most recent 2013
Pavona minuta recorded here Jun (1 record)
most recent 2013
Valenciennea puellaris recorded here Jun (1 record)
most recent 2013

Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.

Fills & rentals nearby

No dive shops mapped within 25 km. Know one? Add it to the map.

Data updated June 2026

Site details

A technical cavern dive on Kakaban island that begins at a crack about 2 m deep and descends through a narrow chimney. Around 21 m the chimney opens into a large cavern extending roughly 120 m, exiting through a long vertical crack in the wall at about 44 m. The name comes from the striking blue glow of the sea seen from within the cavern; it is a deep overhead-environment dive for experienced divers only.

boatcavewall

Overhead environment, narrow chimney, significant depth, silt-out risk, no direct ascent

Reviews

No reviews yet — this site is waiting for its first. Dived here? Your rating and a few lines help the next diver.

Spot something off?

Help keep this listing accurate for the next diver.