Superyacht Watch

The public record of superyacht movements

44 m motor yacht · Cayman Islands flag

JEMS

In port at Porto Rotondo since 6 Sep 2026 — 4 days so far. Last signal 10 Sep 2026, 04:59 UTC.

JEMS is a 44 m motor yacht registered under the Cayman Islands flag, on the record since 5 Sep 2026. The last 90 days show 1 port call, with the most harbour time at Porto Rotondo.

Map of the last recorded position of JEMS, near 41.03°N 9.543°E

Last recorded position, rounded to ~100 m, as of 10 Sep 2026, 04:59 UTC. Imagery ©Mapbox ©OpenStreetMap

The last 90 days

JulAugSeptPorto Rotondo, since 6 Sep 2026
In portGaps: underway or outside the monitored area

Port calls

Costa Smeralda: 1COSTA SMERALDA
Harbours JEMS has called at off Corsica and Sardinia, sized by number of recorded calls; the brass mark is the current port.
ArrivedDepartedPlaceTime in port
6 Sep 2026Still in portPorto Rotondo

Movement log

6 Sep 2026

Time (UTC)EventPlace
ArrivedPorto Rotondo

5 Sep 2026

Time (UTC)EventPlace
First recorded

Economic footprint

At 44 m, JEMS represents an estimated €8,500 a day in running spend — crew, berthing, fuel, maintenance and provisioning — much of it landing wherever the yacht is lying. An order-of-magnitude estimate, not an account: how it is derived.

Registry particulars

Name
JEMS
Type
Motor Yacht
Length overall
44 m
Beam
9 m
Flag
Cayman Islands
MMSI
319004700
IMO
9556416
Callsign
ZCYJ5
First recorded
5 Sep 2026
Last signal
10 Sep 2026, 04:59 UTC

Particulars as broadcast over AIS; dimensions are the transmitted hull values. Vessel operators: see the privacy & takedown policy.