Somewhat unintuitively, smaller vessels have a strength advantage, assuming a well-made closed-top vessel... your main risk AIUI is getting dismasted in a capsize.
TL;DR is strength increases with square of the length, forces acting on the vessel increase with the cube of the length.
This guy is the champion of tiny blue-water vessels:
TL;DR is strength increases with square of the length, forces acting on the vessel increase with the cube of the length.
This guy is the champion of tiny blue-water vessels:
https://www.youtube.com/channel/UCptM0nqGDJLz14oP6ROdKRw/vid...