See also:
- Stucture of the SDF-Navy in 1930.
- Structure of the SDF-Navy in 1942.
- Structure of the SDF-Navy (current structure).
Vessels
Carriers
- Sealgaire-class Helicopter Carriers: SDFS Sealgaire, SDFS Maor.
- Faoileán-class Drone Carriers: SDFS Nead Foiche, SDFS Tacaí, SDFS Fothapall, SDFS Calafisc
Cruisers
Frigates
- Claíohm-class Frigates/Corvettes: being phased out
- Rhiannon-I-class Frigates: phased out in favour of Rhiannon-II-class
- Rhiannon-II-class Guided Missile Frigate: SDFS Rhiannon, SDFS Abhcan, SDFS Carman Fea, SDFS Gavida, SDFS Lodan Lir, SDFS Ladra.
Corvettes
- Sciath-class Corvettes: being phased out
- Scoth-class Corvettes:
Patrol Vessels
Fast Attack Craft
Submarines
- Siorc-class Diesel Electric Submarines: SDFS F-16 Siorc, SDFS F-17 Scadán, SDFS F-18 Trosc, SDFS F-19 Colgach, SDFS F-20 Tuinnín, SDFS F-21 Colgiasc.
Fleet Oilers
Transport Vessels
Mine Warfare Vessels
Other
- Pattern 502 Landing Craft Utility:
- Aiteal-class Oceanographic Research Vessels:
- Meantán-class Landing Boat, Tank:
- SDFAS Saothar (unique research vessel).
Aircraft
- Gaoth Fighterbomber: In the Process of being phased out.
- Foiche Unmanned Combat Aerial Vehicle.
- SDY-Greadtóir 15 Craiceáilte Attack-VTOL.
- SDY-Sciathan 18 Stuama Light Multirole Fighter.
- SDY-Greadtóir 19 Cuaifeach Utility Helicopter.
- SDY-Sciathan 20 Guairdeall Multi-Purpose Amphibian Aircraft: Models C, S and F.
- SDY-Sciathan 22 Fairtheoir Carrier Support Aircraft.
- Monarcha M-103 Strategic Transport Aircraft.
- Monarcha M-107 Helicopter Drone.
- Monarcha M-108 Reconnaissance Drone.
Ammunition and other important equipment
- Type 40 Anti-Ship Missile.
- Type 43 Anti-Ship Missile.
- Type 50 Cruise Missile.
- Miodóg Short-Range Surface-to-Air Missile.
- Monarcha M-100 Anti-Ship Missile.
Structure
Fleet Command (Vice-Admiral Amy Curadh of the Tribe of Wicklow)
- 1st Patrol Gunboat Squadron
- 2nd Fast Gunboat Squadron
- Sealgaire-Group
- Naval Research Group
- 7th Fast Gunboat Squadron - FAC Testing Force
- 6th Patrol Gunboat Squadron
- 13th Fast Gunboat Squadron
- 19th Patrol Gunboat Squadron
- 4th Patrol Gunboat Squadron
- 21st Fast Gunboat Squadron
- Commanding: Commodore Gavin Seol of the Tribe of Sligo.
- 1st Corvette Squadron
- 3rd Patrol Gunboat Squadron
- 11th Fast Gunboat Squadron
- Nead Foiche Group
- Commanding: Commodore Gavin Seol of the Tribe of Sligo.
- 12th Fast Gunboat Squadron
- 20th Patrol Gunboat Squadron
- 1st Submarine Squadron
- Commanding: Commodore Gwen Ard of the Tribe of Tipperary.
- 1st Frigate Squadron
- 2nd Frigate Squadron
- 1st Cruiser Squadron
- 5th Patrol Gunboat Squadron
- 15th Fast Gunboat Squadron
- 16th Patrol Gunboat Squadron
- 23rd Patrol Gunboat Squadron
- Maor-Group
- Calafisc-Group (combat ready 2022)
- Oiler Group 1
- Oiler Group 2
- Mobile Amphibious Squadron
- Commanding: Commodore Gwen Ard of the Tribe of Tipperary.
- 1st Fast Gunboat Squadron
- Fothapall-Group (combat ready 2022)
- 22nd Fast Gunboat Squadron
Mine Warfare Command
- 1st Mining Squadron
- 2nd Mining Squadron
- SDFS Waari, SDFS Aingeal, SDFS Mhairi, SDFS Eileen, SDFS Layla and SDFS Alaina (Waari-class Minesweepers).
- 3rd Mining Squadron
- 4th Mining Squadron
Fleet Support Command
- Regiment of SDF-Navy Troopers (Mona's Boys)
- Naval School
- Naval Technical Support Service
- Naval Yard Launceston
- Naval Yard Silverport
- Naval Yard Scilly
- Naval Yard Cartreffa Island
Dissolved Units
Dissolved as of 4th of Octobre 2018
- 24th Fast Gunboat Squadron (Leuda)
- 17th and 18th Fast Gunboat Squadrons (Traverse)
- 8th Fast Gunboat Squadron and 9th Patrol Gunboat Squadron (Launceston)
- 3rd Corvette Squadron and 10th Patrol Gunboat Squadron (Scilly)
- 9th Corvette Squadron and Oiler Group 3 (Wembury)
- 22nd Fast Gunboat Squadron (moved from Tipa to Rua)
Dissolved as of 1st of Octobre 2020
- 2nd Corvette Squadron (Traverse, rolled into Fothapall-Group)
- 4th Corvette Squadron (Wembury, rolled into Calafisc-Group)