IMO 9322384
The vessel IONIAN SEA was selected as Vessel Spotlight due to its ranking of #21 among 2,891 monitored vessels, with key metrics over the past 90 days including 32 STS proximity events, 7 AIS gaps, 127 loitering events, and 381 zone dwell events. The top operating zones included the Southern Black Sea Sanctioned Vessel Zone, Eastern Mediterranean Monitoring Zone, Danish Straits/Skagerrak, Archipelago Sea Sanction Zone, and Eastern Mediterranean Surveillance Zone. The vessel was detected in the vicinity of terminal zones, but no direct terminal visits were recorded during this period. These metrics are based on AIS-derived behavioral indicators.
Vessel information
Movement & AIS Track
The vessel IONIAN SEA was detected in the Southern Black Sea Sanctioned Vessel Zone most frequently, with a total of 274 events, including 168 zone dwell events, 94 loiter events, and 12 STS proximity events. It was also detected in the Eastern Mediterranean Monitoring Zone (83 events) and the Danish Straits/Skagerrak (41 events), among others. The vessel was detected in the vicinity of terminal zones, but no direct terminal visits were recorded during this period.
| Zone | Events | Types | First Seen | Last Seen |
|---|---|---|---|---|
| Southern Black Sea Sanctioned Vessel Zone | 274 | zone_dwell: 168, loiter: 94, sts: 12 | Jun 7, 2026 | Jun 15, 2026 |
| Eastern Mediterranean Monitoring Zone | 83 | zone_dwell: 44, loiter: 31, sts: 8 | Jun 15, 2026 | Jun 18, 2026 |
| Danish Straits/Skagerrak | 41 | zone_dwell: 37, loiter: 4 | Feb 11, 2026 | May 22, 2026 |
| Archipelago Sea Sanction Zone | 30 | zone_dwell: 30 | Feb 13, 2026 | May 24, 2026 |
| Eastern Mediterranean Surveillance Zone | 29 | sts: 27, zone_dwell: 2 | Jun 9, 2026 | Jun 17, 2026 |
| Baltic Exit/Tallinn Approach | 22 | zone_dwell: 21, loiter: 1 | Feb 14, 2026 | May 19, 2026 |
| Unknown Maritime Surveillance Zone | 14 | zone_dwell: 14 | May 10, 2026 | May 24, 2026 |
| Southern Öresund Surveillance Zone | 12 | zone_dwell: 11, ais_gap: 1 | Mar 2, 2026 | May 21, 2026 |
| Archipelago Sea Surveillance Zone | 11 | zone_dwell: 11 | May 15, 2026 | May 19, 2026 |
| English Channel Surveillance Zone | 11 | zone_dwell: 11 | Feb 9, 2026 | May 13, 2026 |
| Atlantic Midway Monitoring Zone | 10 | zone_dwell: 10 | Mar 5, 2026 | May 23, 2026 |
| Black Sea Sanctioned Vessel Monitoring Zone | 9 | zone_dwell: 9 | May 12, 2026 | Jun 1, 2026 |
| Alboran Sea Surveillance Zone | 9 | zone_dwell: 8, ais_gap: 1 | Feb 11, 2026 | Mar 6, 2026 |
| Southern Öresund Monitoring Zone | 8 | zone_dwell: 7, ais_gap: 1 | Feb 12, 2026 | May 22, 2026 |
| Archipelago Sea Monitoring Zone | 8 | zone_dwell: 8 | May 13, 2026 | May 20, 2026 |
Recent Port Calls
| From | To | Departure | Arrival |
|---|---|---|---|
| BANJUL | LAS PALMAS | 30/04/2026 10:51 | 04/05/2026 09:16 |
| COTONOU | COTONOU | 17/04/2026 11:46 | 17/04/2026 16:21 |
| COTONOU | COTONOU | 11/04/2026 14:12 | 11/04/2026 16:30 |
STS Proximity Partners
The vessel IONIAN SEA recorded 32 STS proximity detections involving 25 distinct partner vessels. The most frequent partners detected in proximity were E PIONEER, with 12 events, and IONIAN SEA itself, with 8 events. None of the partner vessels were identified as sanctioned.
Ownership & Management
SEAWISE HORIZON SHIPPING SA is a Greece-based ship owner and manager reported by MagicPort as operating a fleet of one vessel. The company is listed at a Voula, Athens address care of Swiss Carriers SA and is associated with management of the vessel IONIAN SEA.
⚠ Red Flags
- Fleet size is very small, with only one vessel reported.
- Registered care-of address may indicate shared administrative arrangements.
SWISS CARRIERS SA is a Greece-based ship management and ship-owning company operating from Voula, Athens, and is described in maritime databases as a foreign company representative office under Greek Law 89/67. Public maritime sources indicate it manages a fleet of tankers and bulk carriers and is active in vessel management and commercial/ISM management.
Name, Flag & Ownership History
- Sep 1, 2025IONIAN SEA
- Mar 1, 2005San Fernando
- Sep 1, 2025🇱🇷 Liberia
- Mar 1, 2010🏳️ Isle of Man
- Mar 1, 2005🇵🇦 Panama
| Date | Company | Role |
|---|---|---|
| Sep 18, 2025 | SWISS CARRIERS SA | ISM Manager |
| Sep 15, 2025 | SWISS CARRIERS SA | Ship manager/Commercial manager |
| Sep 15, 2025 | SEAWISE HORIZON SHIPPING SA | Registered owner |
| Apr 1, 2020 | MOL TANKSHIP MANAGEMENT PTE | ISM Manager |
| Mar 31, 2011 | LEOPARD TANKERS SA | Registered owner |
| Jan 1, 2010 | KIWI SHIPPING SA | Registered owner |
| Mar 3, 2005 | MITSUI OSK LINES LTD | Ship manager/Commercial manager |
Media Mentions
- ION (Shadow Fleet) - War & SanctionsWar & Sanctions
- Treasury Intensifies Pressure on Iranian Shadow FleetU.S. Department of the Treasury
- IONIA - OpenSanctionsOpenSanctions
Classification & Safety
Disclaimer
This vessel profile is compiled from publicly available information sources including maritime databases, government sanctions lists, and AIS position data. Information may be incomplete, delayed, or contain inaccuracies.
This content is for informational purposes only and does not constitute legal, financial, or compliance advice. FleetLeaks makes no warranties regarding the accuracy or completeness of the information presented. Users should independently verify all information before making decisions.
Data Scope & Currency
This dossier reflects automated analysis of publicly available data sources as of June 19, 2026 (UTC). FleetLeaks does not assert intent or wrongdoing. Observations are derived from AIS behavioral signals, registry records, and other open sources, each subject to inherent latency and reporting limitations.
Data Refresh
This dossier can be re-generated using the same automated pipeline with the most current available data. A refresh re-executes the standard selection, enrichment, and analysis process and does not alter methodology or thresholds. To request a refreshed version of this dossier, please contact us. A nominal fee may apply to cover compute and data access costs.
Generated: 2026-06-19T10:02:35.183730Z
