Possible Clues:

• Part-own a Uruguayan island
• Country that's just 8 square miles in area
• One aquarium regularly overlooked Pacific location
• Tiny Micronesian republic
• This island in south-west Pacific was formerly called Pleasant Island
• Remote land in the Pacific
• Smallest Pacific state
• Pacific microstate
• Summit of Nigeria, Australia, Russia and Pacific Nation?
• Island nation that's the world's smallest republic