v3.26.1
Basis of Presentation and General Information (Tables)
6 Months Ended
Jun. 30, 2026
Basis of Presentation and General Information [Abstract]  
Subsidiaries in Consolidation
Seanergy’s subsidiaries included in these unaudited interim condensed consolidated financial statements as of June 30, 2026:

Company
 
Country of
Incorporation
  Vessel name  
Date of Delivery
 
Date of
Sale/Disposal
Seanergy Management Corp. (1)(2)   Marshall Islands   N/A   N/A   N/A
Seanergy Shipmanagement Corp. (1)(2)   Marshall Islands   N/A   N/A   N/A
Emperor Holding Ltd. (1)   Marshall Islands   N/A
  N/A
  N/A
Sea Genius Shipping Co. (1)(3)
  Marshall Islands   Geniuship   October 13, 2015   September 10, 2025
Premier Marine Co. (1)   Marshall Islands   Premiership   September 11, 2015   N/A
Squire Ocean Navigation Co. (1)(3)   Liberia   Squireship   November 10, 2015   June 8, 2026
Lord Ocean Navigation Co. (1)(4)   Liberia   Lordship   November 30, 2016   April 28, 2023
Champion Marine Co. (1)   Marshall Islands   Championship   November 7, 2018   N/A
Fellow Shipping Co. (1)   Marshall Islands   Fellowship   November 22, 2018   N/A
Friend Ocean Navigation Co. (1)(4)   Liberia   Friendship   July 27, 2021   March 20, 2025
World Shipping Co. (1)   Marshall Islands   Worldship   August 30, 2021   N/A
Duke Shipping Co. (1)
 
Marshall Islands
 
Dukeship
 
November 26, 2021
  N/A
Partner Marine Co. (1)(4)
  Marshall Islands   Partnership   March 9, 2022   March 9, 2026
Honor Shipping Co. (1)
 
Marshall Islands
 
Honorship
 
June 27, 2022
  N/A
Paros Ocean Navigation Co. (1)
 
Liberia
 
Paroship
 
December 27, 2022
 
N/A
Knight Ocean Navigation Co. (1)(4)
 
Liberia
 
Knightship
 
December 13, 2016
  April 6, 2023
Flag Marine Co. (1)
 
Marshall Islands
 
Flagship
 
May 6, 2021

N/A
Hellas Ocean Navigation Co. (1)(4)
  Liberia  
Hellasship
 
May 6, 2021

January 8, 2026
Patriot Shipping Co. (1)(4)
 
Marshall Islands
 
Patriotship
 
June 1, 2021

January 8, 2026
Traders Shipping Co. (1)(3)
  Marshall Islands  
Tradership
 
June 9, 2021
 
February 28, 2023
Partner Shipping Co. Limited (1)(3)   Malta   Partnership   May 31, 2017   March 9, 2022
Titan Ocean Navigation Co. (1)
  Liberia   Titanship   October 24, 2024   N/A
Icon Ocean Navigation Co. (1)(4)
  Liberia   Iconship   June 11, 2024   January 8, 2026
Kaizen Shipping Co. (1)(4)
  Marshall Islands   Kaizenship   October 1, 2024   October 1, 2024
Blue Shipping Co. (1)(4)
  Marshall Islands   Blueship   February 25, 2025   August 25, 2025
Mei Shipping Co. (1)
  Marshall Islands   Meiship   February 27, 2025    N/A
Atsea Ventures Corp. (1)(3)   Marshall Islands   N/A   N/A   N/A
Prime Ocean Navigation Co. (1)
  Liberia
  N/A
  N/A
  N/A
King Marine Co. (1)
  Marshall Islands
  N/A
  N/A
  N/A
Mega Marine Co. (1)
  Marshall Islands
  N/A
  N/A
  N/A
Niki Marine Co. (1)
  Marshall Islands
  N/A
  N/A
  N/A

(1)
Subsidiaries wholly owned
(2)
Management companies
(3)
Dormant companies
(4)
Bareboat charterers