Originally posted by sarteck:

This might sound crazy, but hear me out...

Sea portals.

Portals big enough to sail a ship through.

...Okay, it might sound silly, but still.

Bruh...this just sparked my imagination for builds so hard. Buuuut, they would have to make some easier way to build on ocean, like some kind of air filled bladder you could plop down to build platforms on.