Kawanashi “Mavis“ Seaplane # 1 (Wreck)
Protected Area
Tulagi Island
Why dive here
With 391+ marine species recorded in the area - including barracuda, blacktip reef sharks, grey reef sharks, humpback whales and orcas - Kawanashi “Mavis“ Seaplane # 1 (Wreck) offers some of Iron Bottom Sound's richest reef diving. Water ranges 29-31°C, warmest January, April, December.
Dropping onto the Mavis is like falling into a time capsule. You can almost feel the history clinging to the fuselage. This isn't just a wreck; it's an entire Japanese seaplane, mostly upright, propellers still in place, sitting on a silty bed at 29 metres. The starboard wing is gone, but the rest of the plane is eerily complete. We love the way the light filters through the typically 10-meter visibility, giving the whole scene a ghostly glow. Inside the cockpit, we often find schools of banded blue sprats darting around, while outside, longnose trevally cruise the perimeter. Keep an eye out for the common seahorse nestled among the delicate thin birdsnest corals that have started to colonise the airframe. The silty bottom means careful finning is key, but the reward is a truly immersive dive into a piece of wartime history, best suited for those who appreciate wrecks with a story to tell.
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Conditions
Ocean conditions, forecast and tides for Kawanashi “Mavis“ Seaplane # 1 (Wreck)
Kawanashi “Mavis“ Seaplane # 1 (Wreck) Ocean Conditions
Monthly averages for Kawanashi “Mavis“ Seaplane # 1 (Wreck), sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-9.03, 159.16) (58km away)
October Averages
Sea Temperature
30°C
85°F · Range: 28.7–30.5°C
Air Temperature
27°C
80°F
Wind Speed
3.74 m/s
7.3 knots
Atmospheric Pressure
1010.5 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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