15m
    Southern Islands, Singapore
    Labrador Nature Reserve

    I.S.A. 5

    Best months: Jan–Mar

    Protected Area

    Labrador Nature Reserve

    Why dive here

    With 263+ marine species recorded in the area - including blue-spotted stingrays, dugongs, giant moray eels, seahorses and sea turtles - I.S.A. 5 offers some of Southern Islands's richest wreck diving. Water ranges 28-31°C, warmest May, June, November.

    Best timeJan–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue-Spotted Stingrays, Dugongs, Giant Moray Eels, Seahorses and Sea Turtles · 263+ species recorded
    Water28-31°C · warmest May, June, November
    CharacterWreck dive · max 15m
    StandoutExceptional marine biodiversity

    I.S.A. 5 isn't just another wreck dive; it’s a portal to a bygone era, tucked away in Singapore’s often-overlooked Southern Islands. This lighter vessel went down in 1955, and it’s a proper 'dangerous wreck,' which is exactly why we love it. The wreck sits upright at a comfortable 15 meters, completely colonised by decades of growth. You'll find sections draped in colourful soft corals, like vibrant carpets, and anemones clinging to every available surface. We’ve spent hours here, meticulously exploring the cargo holds, where schools of fusiliers are so thick they sometimes block out the light filtering from above. Keep an eye out for resident batfish that eye you with disinterest, and the occasional moray eel peeking from a dark crevice. Our favourite time to dive I.S.A. 5 is on a slack tide, usually an hour before or after high water; the visibility tends to be at its best then, and you can really take your time examining the intricate details of the decaying structure. It’s a site that rewards slow exploration, perfect for photographers or anyone who appreciates the quiet history of the deep.

    Typical I.S.A. 5 Dive Profile

    5m10m15mSafety Stop0m15m max~50 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:4917:5512h 6m daylightGolden hour 17:27

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    Conditions

    Ocean conditions, forecast and tides for I.S.A. 5

    I.S.A. 5 Ocean Conditions

    Monthly averages for I.S.A. 5, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (1.18, 103.96) (8km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.5–31.1°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    4.07 m/s

    7.9 knots

    Atmospheric Pressure

    1009.8 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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