Having contemplated technical solutions for autonomous living at sea as an purely hypothetical exercise (renewable power generation, pumping heat from the sea, growing plants and meat hydroponically, etc) I recently discovered the term "Seasteading", which represents a growing movement (and a revealing history).
One of the most famous Seasteads is "The Principality of Sealand", a former World War II 'Maunsell' Sea Fort in the North Sea, 6 miles off the coast of Suffolk (England). Despite consisting merely of two corroded pillars sticking out of the sea with a shack on top, it has currency, coins, stamps, national anthem and athletes, a constitutional monarchy that has issued tens of thousands of passports (now mostly revoked after fakes linked to high-profile crimes), broadcast pirate radio in the late 60s, 'defended' its territorial waters against the royal navy, witnessed a forcible takeover by a German and a Dutch citizen, who were later deposed and held as prisoners of war after a helicopter assault by the original owner (Bates), then freed after a diplomatic visit and now self declared "government in exile". Some of the highlights of a truly hilarious Wikipedia article.
The point is having one's own 'land', free of big government, is exceedingly rare and desirable indeed! Dodging legalities for instance: The Pirate Bay attempted to