Workboats
Red Lion Marine operates a fleet of multipurpose workboats moored on the River Tees
Portunus
Joining the fleet in 2024, RLM Portunus serves the Tees Bay & North Sea Road for crew change and supply operations.
Tees Venture
The Tees Venture is our Swiss Army Knife for marine operations. With a deck capacity of over 25 tonnes, coupled with her onboard Hiab and ballasting capability, Tees Venture is a go to vessel for heavier scopes.

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Cerberus
Joining us in early 2023, RLM Cerberus arrived boasting a multiple use open deck with over a tonne load capacity, coding for 14 persons and an efficient speed of over 20knts.
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Since joining RLM our 10m WorkCat has supported various major infrastructure campaigns from dive operations to safety standby and inspections.​​​​​
St Nicholas
The twin sister of RLM Portunus, the St Nic served as the primary crew change vessel out of Grimsby for a number of years before coming into Red Lion's ownership.
Identical to Portunus both mechanically and spec, she will be ready for operation from Q2 2026.

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Raider 1, 2, 3
Our 5m Rigid Raiders are ideal for getting up close and personal!

Alpha
Our Alpha class vessel boasts a renowned design from Tornado Ribs, a 5.8m versatile boat that is often used to complement our larger vessel as a fast rescue craft. Alpha’s primary area of operation is within harbour limits, rivers & inland waterways however the vessel can be coded to Category 3 for sea going duties.
Equipment

Yokohama Fenders 4.0m x 2.5m
Stationed at our Haverton Hill Base, we can now offer 3 Yokohama Fenders that can be mobilised by sea or road.
Please contact us for day rates & mobilisation fees.

Salvage Pumps
3" & 2" Petrol pumps capable of moving over 160 gallons per minute. Our equipment has been utilised previously to assist a vessel with water ingress and remain at a state of readiness for future needs.

Slix Stretcher
Ideal for environments where access and egress is an issue, our Slix stretcher acts as an additional mitigation for casualty evacuation, fully certified for lifting from the deck.
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Defibrillators
Used as pool equipment between our vessels, RLM can provide an ponboard De-Fib at client request.


