Offshore containers from Willbox are specialist units designed for use in environments where standard ISO containers would be inadequate. They are built to withstand the corrosive effects of saltwater, extreme weather, and the physical demands of offshore lifting and deck operations.

Available in 10ft and 20ft sizes, these units feature a protective marine-grade coating for corrosion resistance, integrated lifting points for safe slinging and crane handling, interlocking features for stable deck stacking, and internal tie-down points to secure cargo during transit. Each unit comes supplied with a sling set and adjustable internal fittings. CSC plating is available on selected models.

All Willbox offshore containers meet rigorous compliance standards: DNV 2.7-1 for offshore container design, construction, and testing; EN 12079 for construction, testing, and marking; ISO 1161 for corner fittings; and CSC certification on selected units. Used across oil and gas, offshore construction, research and exploration, marine logistics, mining, and aquaculture sectors.

Learn more about shipping container sizes and their applications.

• Drilling platform storage: Store tools, valves, pumps, and safety equipment on production facilities and support vessels where standard containers would not be certified for use.
• Subsea equipment housing: Safely store ROVs, underwater cameras, sensors, and subsea instrumentation in a secure, weather-resistant unit.
• Offshore wind maintenance: Provide spare parts storage and maintenance tool housing for offshore wind turbine servicing operations.
• Marine logistics: Transport specialist equipment between shore bases and offshore installations using certified lifting-ready containers.
• Research and exploration: Use as equipment stores on research vessels, survey ships, or remote exploration sites requiring certified offshore-rated units.
• Offshore construction: Supply tools, fixings, and structural components to offshore platform and subsea infrastructure construction projects.
• Aquaculture: Store feed, equipment, and maintenance supplies on floating or remote aquaculture installations.

1. Should I hire or buy an offshore container?

Hire suits short-term projects or occasional offshore work, while buying is more practical for businesses with ongoing offshore, marine, or oil and gas operations. Willbox offers offshore containers for hire or purchase in flexible, short- or long-term arrangements.

2. What size offshore container do I need, 10ft or 20ft?

A 10ft offshore container suits smaller equipment loads or tighter deck space, while the 20ft version offers more capacity for larger tools, spares, or subsea equipment. Both meet the same DNV and EN certification standards.

3. What certification do offshore containers need?

Willbox offshore containers meet DNV 2.7-1 for design, construction, and testing, EN 12079 for construction and marking, and ISO 1161 for corner fittings, with CSC certification available on selected units. These standards are essential for use on drilling platforms, support vessels, and other offshore installations.

4. Are offshore containers corrosion resistant?

Yes, they're built with a protective marine-grade coating to withstand the corrosive effects of saltwater and extreme weather. Integrated lifting points and interlocking features also allow for safe crane handling and stable deck stacking.

5. What industries use offshore containers?

They're used across oil and gas, offshore construction, research and exploration, marine logistics, mining, and aquaculture. Each unit comes supplied with a sling set and adjustable internal fittings for secure cargo handling.

6. How are offshore containers delivered to site or port?

Offshore containers are typically delivered to ports, quaysides, or support bases using standard HIAB or flatbed transport, with lifting points making them straightforward to load onto vessels or offshore installations by crane. Let Willbox know your delivery location in advance so we can plan the right transport method.