No it wouldn't
because as the country sinks, there will be loads of little islands, making more coast to explore. The series will run forever!
(
wheelybird Paul's out of toilet paper - send donations, Fri 8 Dec 2006, 12:15,
archived)
and the more accurately you measure,
the longer the coastline gets.
'squantum, innit
(
urbane legend i have known the inexorable sadness of pencils, Fri 8 Dec 2006, 12:38,
archived)