I think that you could improve on some of the clues. Archipelago (besides being spelled incorrectly) could refer to Kiribati, Bahamas, Vanuatu, Maldives, Japan, Cabo Verde, UK, St Vincent, Micronesia etc. Not sure how the clue unknown is supposed to refer to Sao Tome and the no beaches clue seems particularly unhelpful given the number of landlocked countries. I recently visited the Vatican City and there were no beaches there either.