Possible Clues:

• Country bordered by Argentina/Uruguay
• The world's smallest republic
• Micronesian microstate
• Island country northwest of Tuvalu
• Island country in the south-western Pacific Ocean
• Pacific island vessel going north full of gold
• Country finishing off Britain with a superior game
• South Pacific island nation that's only 8.1 square miles
• World's third-smallest country, trailing only Vatican City and Monaco
• Island country with no official capital