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Scuba divers exploring a breathtaking underwater cave environment with intricate rock formations.
📷 Francisco Davids · Pexels

Underwater Cave

3.6 — based on 18 community signals
4.2 12 species 20 contributors

Underwater Cave in Indonesia offers year-round diving with 12 documented species observations and 3 community videos.

⭐ Best for advanced divers.

updated 4 months ago
Difficulty
Advanced
AdvancedOnlyBleachingRiskYearRound

At a glance

Activity
dive
Difficulty
advanced
Marine life
Blacktip reef shark

Map

This spot POIs Airport Nearby spots
Underwater Cave location map © Google · Map data © Google, contributors
Open in Google Maps

Conditions today

Conditions

Open-Meteo
Wind
8 kn
Wave
0.46 m
Water
28.1°C
N E S W
Wind direction (7d)
Primary: SSW (69%)
Now: SSW (209°)
Tide (7 days)
range: 1.13m

Next: High at 02:00 (+0.88m)

+1.0 m0 m-0.2 m
▲ 02:00 · +0.88m ▼ 11:00 · -0.01m ▲ 03:00 · +0.81m ▼ 13:00 · -0.07m
Sat 19Sun 20Mon 21Tue 22Wed 23Thu 24Fri 25
UV8.8 · very high Air PM2.537 · sensitive 06:13 18:18
Day Wind Wave UV Rain
09-19 8.4 0.58 9 1mm
09-20 8.7 0.64 9 0mm
09-21 9.1 0.54 9 0mm
09-22 10.4 0.44 9 1mm
09-23 10.2 0.44 9 0mm
09-24 8.8 0.7 9 0mm
09-25 8.4 0.68 9 0mm
⚠ Coral bleaching: Warning — heat stress
DHW: 3.4°C-weeks · NOAA Coral Reef Watch

About this spot

Underwater Cave is a dive destination in Indonesia accessible throughout the year. The site has attracted documented observations of 12 marine species and generated community video content from multiple divers. Current coral health data shows a warning status, so divers should check local conditions before booking. The cave system draws divers seeking geological formations and the chance to explore submerged passages. Species observations logged at the site provide baseline data on local marine life. Visitor feedback captured in community videos offers insight into seasonal conditions and navigation. Indonesia's dive regulations require standard travel documentation. No marine protected area designation applies to this site, though operators typically follow responsible diving practices. Always confirm current accessibility and any local restrictions before planning your trip. Prep with a local dive operator familiar with cave entry protocols and surge conditions. Bring redundant lights if exploring passages. The site's year-round status makes it flexible for travel planning, though weather can affect sea state.

📖 Guide: Diving in Indonesia: 323 Sites, Mantas to Micro-critters

Marine life

Blacktip reef shark

Dive types

Cave

Trip essentials

Everything you need before you pack — checklist, sun, logistics.

Trip checklist

  • 🛂 Visa-free or visa-on-arrival
  • 📜 C-card + dive insurance (DAN)
  • 📔 Dive logbook
  • 🧴 Reef-safe sunscreen SPF 50+
  • 🔌 Plug type C/F · 230V adapter
  • 💊 Seasickness meds + ear drops
  • 📱 Offline maps + emergency contact

Quick facts

  • 🌓 Moon First quarter · 47%
  • GPS
Sustainability disclosures
🌍 CO2 footprint LHR ↔ 12427km · ~2858kg · €51

From your departure country

United States
Origin score: 54/100
  • Visa: Visa on arrival · 30 days max
  • Flight: 12h · direct
  • Jet-lag: 12h east · 8 days recovery

FAQ

When is the best time to dive Underwater Cave?

Underwater Cave is diveable year-round, making it accessible whenever you plan to travel to Indonesia. Check local weather patterns and sea conditions with operators before booking, as seasonal swells and currents vary by region.

What difficulty level and depth should I expect?

Specific depth and difficulty ratings for Underwater Cave are not publicly documented. Consult with local dive operators to assess your training level and to receive site-specific briefing before entry.

What marine life will I see?

Twelve species observations have been logged at Underwater Cave. Community videos document local fish, invertebrates, and reef life. Request species lists from your operator or review uploaded footage for typical encounters.

How do I access Underwater Cave and are permits required?

Underwater Cave is not inside a marine protected area. Standard Indonesian travel documentation applies. Arrange dives through local operators who handle site logistics and can advise on any local access guidelines.

Recently spotted by divers

iNaturalist →

See this spot in action

YouTube videos — click to play.

Dive Site: Wolang Caves #alor #scubadiving

Scuba Diving and Dogs
💬 3 top comments
  • 2 beautiful swim thru caves i looked the bubbles wow no current..

    @KevinMcgovern-c1d · 👍 1
  • OMG!

    @desakrina · 👍 2
  • 2023 we dived tanjung wolang with strong current super strong but after the point its sheltered we saw a pod of 30 spinner dolphins they were playing in the current so they kept comming back n checkingvus out.. what a dive.. n after saw mola2 off backside of kepa my friend saw 6 2 on surface 4 below n that was by snorkelling haha😅

    @KevinMcgovern-c1d · 👍 1

Bird Cage Cave Dive! (The longest cave in the world!)

BlueWorldTV
💬 3 top comments
  • Last time I saw this video I was in awe. Now I'm cave certified and have dived this very cave and can honestly say Jonathan is not exaggerating. It's truly gorgeous. We spent two and a half hours exploring various lines.

    @Yggdrasil42 · 👍 1500
  • Camera quality underwater is solid. What a clear picture.

    @rctd3260 · 👍 67
  • After watching all those cave accident videos, I am now in a deep relaxed state of mind and so happy for you guys

    @lisizecha9759 · 👍 242

Inside Indonesia’s Hidden Underwater Worlds (Cave Diving Exploration)

Diving Talks
wind peaks Aug-Sep-Jul, calmest Feb-Mar-Jan, dry Mar-Nov.

5-year monthly climate

60 samples
0 5 10 15 20 25 JFMAMJJASOND
p25–p75 range Median Wind (kn) Air (°C)

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