The Bermuda config takes three Floathouses and rigidly attaches them together to form a triangular structure. The triangle being one of the strongest shapes in nature, makes this a very robust structure.

Three houses together like this spread out on the water in two dimensions, have a huge amount of weight between them, and support each other against roll and tip motions, making for a significantly stable structure, yet minimizing the cost to achieve this level of stability. Being attached to other houses also increases safety factor for the other houses, as they can mutually support each other against waves or disaster.

Use Cases

  • Home
  • Office space
  • Hotel
  • Restaurant
  • Marine research facility
  • Offshore datacenter

One could attach a Floathouse shell as one of the three Floathouses. Use the shell for storage and live in the other two.


Bermuda Floathouse
The space between the houses could be left open, or a platform could be built for other purposes. Since we are primarily planning this structure for housing use in the visa-haven, we are showing it here with subdivided back-yards as if a different family owned one of the three floathouses, as neighbors.

Bermuda top view

Bermuda Floathouse

Here we imagined what it would look like if the structure used the space in the middle to create a backyard for each house, with a fence dividing them into equal sections, and even a grass turf underfoot. The backyard is 20′ across at its widest point, offering ample room for outdoor activities.

Bermuda Floathouse

Bermuda Floathouse specifications

Length 80 feet (24.3 meters)
Height 24 feet (7.3 meters)
Diameter 24 feet (7.3 meters)
Beam 18 feet (5.5 meters)
Draft 4 feet (1.2 meter)

Design Information

We think this structure offers the best combination of cost, security, and stability for living in a seastead with a lot of other people. The Bermuda structure is a primary building-block of the visa-haven isle.

Made from our standard single Floathouse, it has a few additional structural members and supports added to lock it together in the triangle formation. These can be fairly inexpensive.

The addition of a platform between the houses adds a lot of value to this design for residents, and is achieved by locking the platform supports into the surrounding floathouses along the outer hull. Steel will be used here, but sacrificial anodes will be relied upon to keep these structural beams safe from salt-spray.

Rather than a backyard, it is be possible to put a swimming hole in this space. It is also be possible to put a Spar floathouse inside the Bermuda.


There are not a lot of downsides to this structure. We still recommend using it with breakwater-protection, but this design is hardy enough to survive fairly hard conditions at sea without major difficulty.


Q: Can individual floathouses be swapped in and out of this configuration?

A: Yes, individual floathouses that make up the Bermuda config can still be removed from this structure, one at a time, and switched out with others, at will. The configuration is not permanent.