We are working on a seastead design.
This it is has legs going into the water like a semi-submersible but they
are foil/wing shaped to move through the water with less drag.
There are 3 legs so it is a bit like a trimaran with a very soft ride.

Above the water there will be a big triangle frame.  The
left and right sides will be 70 feet long and the back part of the triangel will be 35 feet wide.
The triangle frame will be a truss structure that is 7 feet high (floor to ceiling).
It will be enclosed and the whole inside the living area.  Lots of glass to see out.

There will be 3 floats/legs/wings that will be the buoyancy.
Each leg/wing will 19 feet long and have a NACA 0030 foil shape with 10 foot chord and 3 foot width.
This makes for a "small waterline area" similar like a small oil platform but one that can move through the water easier because of the foil shape.
Each of the 3 legs will be attached to the underside of the big triangle near one of the 3 points (but the total top of the
leg will be inside the triangle) and going down into the water.
The 3 wings will all be parallel with the blunt or "leading edge of the wing" forward  so it is easy for the seastead to move forward.
Each leg will be 50% under the water (so 0.5 * 19 feet) and the top 50% out of the water.
On front of each leg on the top half that is out of the water will be a built in ladder.

There will be 6 RIM drive thrusters of 1.5 foot diameter, one on each side of the 3 legs/wings about 3 feet up from the bottom.
These RIM drives will have the flat sides toward the frong and back of the seastead.

On top of the roof there will be solar all over.

Behind the back near the center will be two supports going out and 2 ropes going down to a dinghy.
The dinghy is a 14 foot RIB boat.  It is sideways against the center of the backside of the living area.
When the seastead is moving forward the dingy is shielded from the wind by the living area.
Also behind the back on the left and right of the dinghy will be a deck that is 5 feet wide extending beyound the back of the triangle.

There are 3 stabilizers that look like a little airplanes, one attached near the back of each main seastead leg.  
The little airplane has a 10 foot wing-span, 1 foot chord, the body 6 feet long, and the elevator has a 2 foot wing-span and 6 inch chord. 
A small actuator makes the elevator angle up or down so it can adjust the angle of 
attack of the main wing of this stabilizer without needing a large actuator.
While the thick part of the leg is 3 feet wide the back where the airplane will attach is very thin.  And to get the airplane's
center of lift to balance on the pivot a notch into the front/center of the wing only has to go about 25% of the chord of the wing.








I think the above seastead design "works" well and would like to have a description of why it works well.
I will make a stab at it but would like you to flesh it out.


Having the floats wide apart makes for good ultimate stability.  There is no danger of the seastead
turning over.  Having the legs have a "small waterline area" makes it a "soft ride".  It does
not respond so much to wave action and so it more comfortable.  Having the legs have an airfoil
shape means it can still move through the water at a reasonable speed, unlike a normal semi-submersible
platform.  With too small a waterline area a design could have trouble if the waves get too high,
but while this design sort of ignores small waves it will ride up and stay on top of big waves.   Having the floats just in
the corners means that the total weight does not need to scale with the cube of the dimensions,
as it does in a normal boat.  This can be far lighter than normal 80 foot boats and costs scale
with the weight of the boat.  The large
size for the weight, 100% of which has solar,  means that the solar/weight ratio is very good.
Putting the batteries at the bottom of the legs lowers the center of gravity and increases the
rotational inertia, which helps stability.   The stabilizers work well because they are out
at the edges and the waterline area is small.  The stabilizers just using a small actuator
to rotate the tail means that the cost can be very low for the size of stabilizer wing.
Having it built in China with much of the work done by machines will make the cost lower
than most places.

The total combination of things works really well, even before the optional extras:
http://seastead.ai/ai/optional.extras.main.core.html

Please try to present the above as clearly and fairly as you can.