Our fleet

Capable vessels, ready to work.

Every vessel is crewed by experienced professionals and maintained to work in demanding offshore conditions.

Crew transfer vessel

Fionn Mac Cumhaill

A versatile 15m crew transfer vessel, built for offshore crew transfer and project support.

Length: 16.1m
Passengers: 12 + 2 crew
Max speed: 25 knots
Licence: MCA Cat 2 / MSO P5
Cargo: 1 tonne
Engines: Twin Yanmar 440hp, Hamilton jets
Hull: Marine-grade aluminium
Onboard: Galley, heads, shower, air conditioning

Best for: Crew transfers, project support, surveys, general workboat use.

Download spec sheet (PDF)Check availability

Nearshore crew transfer RIB

Cú Roí

Redbay Stormforce 950. Fast, capable and set up for HDD and cable duct support.

Length: 9.5m
Passengers: 12 + 2 crew
Max speed: 52 knots
Licence: MCA Cat 3 / MSO P5, day and night
Engines: Twin Suzuki 250hp

Best for: Nearshore crew transfer, cable and HDD duct installation support, dive support, general workboat duties.

Download spec sheet (PDF)Check availability

Nearshore crew transfer RIB

Cù Chulainn

Redbay Stormforce 850. Agile and economical for nearshore work.

Length: 8.5m
Passengers: 10 + 2 crew
Max speed: 25 knots
Licence: MCA Cat 3 / MSO P3, day and night
Engine: Suzuki 300hp

Best for: Nearshore crew transfer, cable and HDD duct installation support, general workboat duties.

Download spec sheet (PDF)Check availability

12m landing craft

Rós Áine

Length: 13m
Passengers: 12
Cargo: 5 tonnes
Speed: 12 knots cruising, 18 knots max
Engines: Twin OXE 300hp diesel
Licence: MSO P5
Equipment: PK 4501 M crane, 17.5kW generator

Best for: Workboat and civil support, diving, crew transfer, ship stores, offshore refuelling, geophysical and benthic surveys.

Download spec sheet (PDF)Check availability

New build

Redbay Stormforce 1250 CTV

A new 12.5m crew transfer vessel with an enclosed cabin, joining the Grimes fleet in April 2027.

Full specification to follow. Talk to us about booking for 2027 projects.

Also in the fleet

Whaly 50hp safety boats

Rugged safety and guard boats for inshore and offshore work.

Check availability

7m pontoon workboat

P4 licensed, with a flat open deck for kit and crew.

Check availability

Modular pontoons

Floating platforms for docks, work platforms and temporary access.

Ask about pontoons

Need a full tender pack?

Certificates, insurance, crew qualifications and sample RAMS for tenders and pre-qualification. Tell us about your project and we'll send what you need.

Request tender pack