Marine diving
Underwater operations carried out by professional divers to meet the needs of vessels and port stakeholders.
Learn more : Marine divingFREN
Géant Marine SARL
Marine diving and vessel cleaning
For shipping companies, maritime agencies and industry professionals, with services tailored to their needs.
- Available 24/7
- Guinea · Guinea-Bissau · Liberia · Sierra Leone
- At the quay and at anchor
Our services
Two core activities serving maritime professionals.
Vessel cleaning
Vessel cleaning services adapted to the type of vessel and your port-call schedule.
Learn more : Vessel cleaning
Underwater inspection
Inspections carried out by our divers to help you assess the condition of your vessel’s submerged parts.
Learn more : Underwater inspectionOur work in pictures
Our teams, our equipment and the vessels we work on.
Diving equipment Hull-cleaning machines 
Ship at anchor 
Ship’s bow 
Diving cylinders 
Approaching a ship at sea Alongside the hull 
Ship’s stern
Our team
A team in the field
Our teams work right alongside vessels, at the quay and at anchor, to support our clients in their operations.
Who do we work with?
Our services are designed for maritime industry professionals:
Shipping companies
Shipowners and vessel operators.
Maritime agencies
Ship agents who coordinate port calls.
Industry professionals
Other maritime and port industry stakeholders.
Our partners
Companies and organisations we work with.
Our mission
AboutTo support maritime industry stakeholders through professional marine diving, vessel cleaning, and services tailored to our clients' needs.
A project or a job to plan?
Tell us what you need and we will get back to you to discuss it.