Pleasure craft 🇯🇵Japan

KOSHIMAMARU

MMSI 431006861

18 km SW of Sensyu, Japan

Last seen 8 Nov, 20:09 UTC

Track KOSHIMAMARU live — free

34.3141° N, 135.0939° E

Speed0.0kn

DestinationCLASS B

Voyage

Destination: CLASS B
Speed: 0.0 kn
Course: 226°
Position: 34.3141° N, 135.0939° E
Last report: 8 Nov 2026, 20:09 UTC8 Nov, 20:09 UTC
Nearest port: Sensyu18 km SW of the port

Particulars

MMSI: 431006861
Flag: 🇯🇵 Japan
Type: Pleasure craftAIS type 37
Length: 15 m
Beam: 5 m

Not broadcast: ETA, call sign, IMO number and draught.

About KOSHIMAMARU

KOSHIMAMARU (MMSI 431006861) is a pleasure craft registered in Japan. It is 15 m long and 5 m wide. Its most recent AIS position, received on 8 Nov 2026 at 20:09 UTC, placed it 18 km SW of Sensyu, Japan. The crew reported CLASS B as the destination.

Frequently asked questions

Where is KOSHIMAMARU now?

KOSHIMAMARU was last reported 18 km SW of Sensyu, Japan on 8 Nov 2026 at 20:09 UTC.

What type of ship is KOSHIMAMARU?

KOSHIMAMARU is a pleasure craft. It is 15 m long and 5 m wide.

What is the MMSI number of KOSHIMAMARU?

The MMSI of KOSHIMAMARU is 431006861.

What flag does KOSHIMAMARU fly?

KOSHIMAMARU sails under the flag of Japan (JP).

Where is KOSHIMAMARU going?

KOSHIMAMARU reported its destination as CLASS B.

Vessels nearby

Other ships reported close to KOSHIMAMARU in the last 24 hours.

SANPOMARU BLUE 🇯🇵 Passenger → CLASS B4.1 km away · 5.5 kn KYOSHIN 3 🇯🇵 Cargo → JP UKB KS64.3 km away · 11.1 kn SANPOMARU WHITE 🇯🇵 Passenger → CLASS B4.8 km away · Stopped SANPOMARU RED 🇯🇵 Passenger → CLASS B5.2 km away · 9.6 kn INESSA 🇲🇭 Cargo → JPOSA H6.4 km away · 14.7 kn YUHO MARU NO.3 🇯🇵 Tanker → JP UKB6.5 km away · 12.3 kn

Show 6 more

ONE DANIELLA 🇸🇬 Cargo → JP OSA 3W6.7 km away · 16.2 kn TAIKO MARU 🇯🇵 Cargo → JP WAK OFF7.8 km away · Stopped TAIKIMARU 🇯🇵 Tug → CLASS B7.9 km away · 7.9 kn KEIYO MARU NO.15 🇯🇵 Tanker → JP WAK8.2 km away · Stopped FAIR OCEAN 🇵🇦 Cargo → TW KHH8.6 km away · 1.3 kn HOURAIMARU NO30 🇯🇵 Cargo → CLASS B8.8 km away · 5.1 kn

Similar yachts & pleasure craft

Active yachts & pleasure craft of a similar size (11–20 m).

All yachts & pleasure craft

K.I.S.S 🇳🇱 Pleasure craft → CLASS BStopped TABI 🇲🇹 Pleasure craft → CLASS BStopped THIN BLUE LINE 🇺🇸 Pleasure craft → CLASS BStopped JOHANNA 🇳🇱 Pleasure craft → SPAARNDAMMoored LARGO 🇳🇱 Pleasure craft → BRIELLE .Stopped STORM 🇳🇱 Pleasure craft → CLASS BStopped

More yachts & pleasure craft in the directory

The next yachts & pleasure craft with an IMO number after KOSHIMAMARU, A–Z.

All yachts & pleasure craft

Get an alert when KOSHIMAMARU reaches CLASS B

Follow KOSHIMAMARU on the live map with a free account. Alerts on port calls, destination changes and AIS silence come with a fleet on any plan from €9.99/month.

Track KOSHIMAMARU live — free