Well, mine is not yet two years old,and am beginning to have issues.   Where the "rubber" attaches to the "nose piece" of the keel started leaking air after about six months.   I have finally managed to get that to stop but in the process the two "ears" of the nose piece have broken off.  
 I have had to reglue several things, most notably the attachments for the seats.
But we do use ours a LOT.
In a tough tropical environment:
http://2gringos.blogspot.com/search/lab ... le%20Kayak 
					
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Island life in the Devil's Triangle: 
http://2gringos.blogspot.com/