The longest I recall is a story of three Mexican fishermen lost at sea for nine months.
http://news.bbc.co.UK/2/hi/Americas/4798243.stm
India has the longest border with the Arabian Sea.
The longest sea in Africa is Indian ocean along side with Somalia.
The Mediteranean Sea
Canada has the longest coastline on the Arctic Sea, followed by Russia.
the longest is 300 days and the person was carried back to land by pelicans.
India has the longest border along the Arabian Sea.
The longest draining into the Caspian Sea is the Volga River, 3692 Kms
the longest food is your big fat mom
I believe the Blue Whale lives longest.
The longest time a person has survived stranded at sea is 438 days, which is the case of Salvador Alvarenga. He survived by eating fish, birds, and turtles and drank rainwater until he was rescued off the coast of the Marshall Islands in 2014.
When Lost at Sea was created in 2007-09.
Barents Sea and White Sea