Sark is about three miles long and one mile wide, with a population of 600.
He also owns all the debris washed up between the high and low tides.
They challenged this law in court, won and got the law changed.
Political issues aside, Sark is an idyllic spot for a vacation.
Cars are illegal on Sark.
A resident doctor provides healthcare on Sark.
Fire and rescue services are provided by volunteers.
There are a couple of hotels and guest houses to stay.
Sark is divided into two parts, known respectively as Little Sark and Big Sark.