Island Fortresses

Self sufficient environments
for isolated locations.

Contact us us to review your
island fortress requirements 877-486-0084

Hardened Structures specializes in Deep Earth Bunkers that are completely waterproof for island situations. With experts in alternative energy, desalination, water purification systems and sustainable aquaculture. We can design and build Island Fortresses around existing isolated sites or at locations with the most demanding topography to withstand tsunami effects.

Contact Hardened Structures for a confidential review of your proposed project.


A World Leader in the delivery of Bomb Shelter Design and Construction