[SamAdams76]

Eventually we will have ships that are 25 miles long, five miles wide and about 200 stories high.

That's about 1/5 the size of Long Island by the way.

[tcrlaf]

“Eventually we will have ships that are 25 miles long, five miles wide and about 200 stories high.”

Royal Caribbean’s new “Oasis” class ships, like “Allure of the Seas, is almost 1,200 fett long, and 225,000 tons!

[cripplecreek]

Eventually we will have ships that are 25 miles long, five miles wide and about 200 stories high.

I suspect that we're probably pretty close to the upper limit now. A ship 25 miles long would have to deal with bending around the curvature of the earth.