From Wikimedia Commons, the free media repository
English: Structures that are located at sea.
- Category:Marine structures — not including ports, seawalls, coastal structures, etc...
This category has the following 9 subcategories, out of 9 total.
- ► Heerema Marine Contractors (4 C, 5 F)
- ► Marine Structures at Liverpool (4 F)
- ► Roadsteads (7 C, 18 F)