What we do know is that dozens of islands are up for sale and that for the country that is battling austerity measures and receiving a bailout from a number of international creditors - every cent counts.
On Private Islands Online, some islands are going for as little as €3 million (£2.1 million, $3.3 million). That's less than a house in an upmarket neighbourhood in London.
Over the last year, a number of islands have been sold via Private Islands Online but there are still a few up for grabs.
We checked out the islands that have visible price tags and ranked them by most expensive to the cheapest: