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Explore vibrant marine life while snorkeling in Jawa Tengah, Indonesia.
📷 the karimunjawa · Pexels

Jalan Masuk

3.3 — based on 9 community signals
4.1 4 species 9 contributors

Jalan Masuk is an Indonesian dive site offering year-round access with moderate species diversity. Monitor coral health before booking.

⭐ Best for intermediate divers.

updated 4 months ago
BleachingRiskShore entry

At a glance

Activity
dive
Best months
Year-round
Marine life
Green sea turtle, Hawksbill turtle

Map

This spot Airport Nearby spots
Jalan Masuk location map © Google · Map data © Google, contributors
Open in Google Maps

Conditions today

Conditions

Open-Meteo
Wind
4.1 kn
Wave
0.28 m
Water
29.2°C
N E S W
Wind direction (7d)
Primary: S (17%)
Now: S (180°)
Tide (7 days)
range: 1.76m

Today: High 09:00 (+0.53m), Low 04:00 (+0.22m)

+1.4 m0 m-0.3 m
▼ 04:00 · +0.22m ▲ 09:00 · +0.53m ▼ 14:00 · +0.22m ▲ 21:00 · +0.91m Now +0.7m
Sat 19Sun 20Mon 21Tue 22Wed 23Thu 24Fri 25
UV9.3 · very high 05:31 17:38
Day Wind Wave UV Rain
09-19 9.5 0.36 9 0mm
09-20 9.6 0.26 9 0mm
09-21 13 0.3 9 0mm
09-22 9.5 0.3 9 0mm
09-23 12.6 0.36 9 0mm
09-24 9.3 0.3 9 0mm
09-25 12 0.26 9 0mm
⚠ Coral bleaching: Watch — favorable conditions

About this spot

Jalan Masuk is located in Indonesia and operates as a dive destination throughout the year. The site sits outside a marine protected area, making it accessible to recreational divers seeking Indonesian reef exploration. With four recorded species observations and three community videos available, the site has generated modest local documentation that can help divers prepare for their visit. The specific depth, visibility, and water temperature data for Jalan Masuk remain unreported in current records. Divers should contact local operators directly for current conditions and seasonal variations. The site's technical difficulty level is also undocumented, so experience-level matching requires direct communication with on-site guides. Coral bleaching monitoring is active for this area. Divers planning trips should verify current reef status before committing travel plans. Community-generated video content provides visual reference material worth reviewing. The four species observations suggest reasonable marine biodiversity, though comprehensive species lists are not yet cataloged.

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

Best months

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Marine life

Green sea turtleHawksbill turtle

Dive types

Reef

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 · 48%
  • GPS
Sustainability disclosures
🌍 CO2 footprint LHR ↔ 12186km · ~2803kg · €50

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 Jalan Masuk?

Jalan Masuk operates year-round, so diving is possible any month. Seasonal weather patterns and sea conditions vary by Indonesia's local climate. Contact local dive operators for current conditions matching your travel dates.

What depth and difficulty level is Jalan Masuk?

Depth and difficulty ratings are not currently documented for this site. Reach out to local guides before booking to confirm suitability for your experience level and to receive proper depth briefing.

What marine life can I expect at Jalan Masuk?

Four species observations have been recorded at the site, indicating moderate biodiversity. Review the three available community videos to see what divers have documented. Ask local operators for current sightings and seasonal marine life patterns.

Do I need permits or special access for Jalan Masuk?

Jalan Masuk is not within a marine protected area, so standard recreational diving access applies. Local dive operators can advise on any required permits, registration, or local regulations.

Recently spotted by divers

iNaturalist →

Verified marine species observations

53 records · 46 species · sources: OBIS, GBIF

Tenellia

Gastropoda · Trinchesiidae
OBIS
Last seen:
3 May 2019
×1records
Depth:
20 m

Thuridilla lineolata

ソライロミドリガイ
Gastropoda · Plakobranchidae
OBIS
Last seen:
3 May 2019
×1records
Depth:
10 m

Ceratosoma trilobatum

ニシキウミウシ
Gastropoda · Chromodorididae
OBIS
Last seen:
2 May 2019
×1records
Depth:
20 m

Goniobranchus geometricus

キカモヨウウミウシ
Gastropoda · Chromodorididae
OBIS
Last seen:
2 May 2019
×1records
Depth:
10 m

Goniobranchus hintuanensis

ユウグレイロウミウシ
Gastropoda · Chromodorididae
OBIS
Last seen:
30 Apr 2019
×1records
Depth:
10 m

Nembrotha

Gastropoda · Polyceridae
OBIS
Last seen:
30 Apr 2019
×1records
Depth:
10 m

Nembrotha chamberlaini

セグロリュウグウウミウシ
Gastropoda · Polyceridae
OBIS
Last seen:
30 Apr 2019
×1records
Depth:
15 m

Thecacera

Gastropoda · Polyceridae
OBIS
Last seen:
30 Apr 2019
×1records
Depth:
21 m

Mexichromis multituberculata

レンゲウミウシ
Gastropoda · Chromodorididae
OBIS
Last seen:
30 Apr 2019
×1records
Depth:
10 m

Tenellia puti

タルミノウミウシ
Gastropoda · Trinchesiidae
OBIS
Last seen:
28 Apr 2019
×1records
Depth:
14 m

Janolus

Gastropoda · Janolidae
OBIS
Last seen:
1 Sept 2018
×1records

Pteraeolidia semperi

Gastropoda · Facelinidae
OBIS
Last seen:
1 Sept 2018
×1records
Depth:
5–9 m

Data: 187,991 observations from OBIS (Ocean Biodiversity Information System) and GBIF (Global Biodiversity Information Facility). CC-BY 4.0.

See this spot in action

YouTube videos — click to play.

Dive Jalan Masuk, Manado, Sulawesi, Indonesia 20241025 4

dpitadive

We Dived a Hidden Cave Beneath a City in Indonesia | Caves of Sulawesi #1

Dive SAGA - Scuba diving
💬 3 top comments
  • 📹 Get your own Insta360 Ace Pro 2 via this link: www.insta360.com/sal/ace-pro-2?utm_term=DIVESAGA 💬 Had you heard of this place before? Would you dive her

    @DiveSAGA · 👍 0
  • Thank you Nick for visiting us , that was a real pleasure to have you around.

    @diving_robin · 👍 1
  • We all know that completing a bingo card is a necessity, so you should take a look at Karavomilos Lake Cave on Kefalonia, Greece. At Karavomilos Lake, there is a Christian church, locally identified as Saint John the Baptist Church at Karavomylos. The cave-diving group Hellas Underwater Explorers describes Karavomilos Cave as developing “under the church and the houses of the village.” Another cav

    @Homie111092 · 👍 3

Beautiful Alor & Pantar, Indonesia (Cinematic Video) - Travel & Dive Guide to best Places to Visit

Travel 2 Sea - Rich Coast Diving
💬 2 top comments
  • great video.....!!! I love this work..!!✨✨ from JAPAN

    @SHACKVLOG · 👍 2
  • Fantastic video and great inspiration! Thanks a lot keep up the great work! Have a nice day!

    @bangkokwalks8875 · 👍 2
wind peaks Feb-Jan-Dec, calmest Sep-Jun-Aug.

5-year monthly climate

60 samples
0 5 10 15 20 25 JFMAMJJASOND
p25–p75 range Median Wind (kn) Air (°C)
Visibility (month-by-month)
Best: May (100/100) Worst: Feb (0/100) Now: Sep (95/100) NOAA MODIS Aqua · 5y mean

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