How deep is Manuk Island (Sea Snake Island)?

Manuk Island (Sea Snake Island) ranges from 5 to 30 metres deep (16–98 feet). It is a saltwater site rated as advanced difficulty. Depths vary across the site, so plan your profile to your training and verify conditions locally.

Is Manuk Island (Sea Snake Island) a shore dive or a boat dive?

Manuk Island (Sea Snake Island) is a boat dive — access is by boat rather than from shore. The entry area is recorded as exposed to 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 Manuk Island (Sea Snake Island)?

Manuk Island (Sea Snake Island) is rated as advanced difficulty, which may not suit new divers. Listed depths run from 5 to 30 metres (16–98 feet). Access is by boat. Consider your experience level, conditions, and local guidance before planning.

When is the best time to dive Manuk Island (Sea Snake Island)?

The best time to dive Manuk Island (Sea Snake Island) is typically September to November. Conditions vary, so check the latest reports and forecasts on the dive site page before your trip.

What will I see at Manuk Island (Sea Snake Island)?

Divers at Manuk Island (Sea Snake Island) in Indonesia commonly report sightings of Trevally, Olive sea snake, Fusiliers, Whitetip reef shark, and Banded sea krait. Trevally, Olive sea snake, Fusiliers, Whitetip reef shark, and Banded sea krait are recorded as common sightings. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

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AdvancedBoat entry

Manuk Island (Sea Snake Island)

Maluku, Indonesia

AOW suggested5–30 m depthBoat entry3mm wetsuit typical

Boat dive — see Entry & access.

Manuk Island (Sea Snake Island) at a glance

Manuk Island (Sea Snake Island) is an advanced boat dive site in Maluku, Indonesia with depths of 5–30 m (16–98 ft). Typically most favorable Oct · from 3 years of archive data. Divers commonly see Trevally, Olive sea snake, and Fusiliers. Recent reports put the water around 26°C (79°F). Check the latest conditions and entry details before you go.

Marine model · graded 1h ago

1.5 mwaves — about a meter and a half expected

Tap a factor for its source and model point · Forecast 26°C · seasonal avg 27°C

Site hazards: Numerous sea snakes (venomous but generally non-aggressive), current, remote open-ocean location, no facilities

Read the full hazards ↓

Dive windows this week

Best: Sat

Sat7:00–19:00

Sun7:00–18:00

Mon7:00–19:00

Tue7:00–19:00

Wed11:00–19:00

Thu8:00–19:00

Fri7:00–19:00

Favorable windowModerate window— no window

First light 5:52 · Sunrise 6:13 · Sunset 18:16

Source: Open-Meteo marine · model point 9.6 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: Trevally, Olive sea snake, Fusiliers

Best time: September to November

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.

Jan76%30°C0.9 m
Feb67%29°C1.2 m
Mar83%30°C0.7 m
Apr93%30°C0.8 m
May57%29°C1.4 m
Jun44%28°C1.4 m
Jul40%27°C1.6 m
Aug33%27°C1.5 m
Sep67%27°C1.2 m
Oct100%29°C0.8 m
Nov97%30°C0.6 m
Dec91%30°C0.8 m

October hastypically 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 seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Fills & rentals nearby

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

Data updated June 2026

Site details

An isolated active volcanic cone in the open Banda Sea, famous worldwide for its extraordinary concentration of sea snakes. Banded sea kraits and olive sea snakes are present year-round in remarkable numbers, weaving through lava canyons, coral fields and black-sand patches. Reef sharks and pelagics add to the spectacle at this remote, current-swept site.

boatdriftpinnaclereef

Numerous sea snakes (venomous but generally non-aggressive), current, remote open-ocean location, no facilities

Reviews

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