Globally there is a high need for Willis Island, but ranked by continent: South America, Africa, Europe, North America, Asia, Oceania.
Willis Island had significant activations in 2008 and 2015. The 2015 team, VK9WA, can be found at http://vk9wa.com/ . VK9WA operated from Middle Cay,.
Currently the only way to get to the island is by boat. There are no regular commercial service and charting is the only option.
There is nothing on Middle Cay. Willis island is inhabited year round by a small team of three to four people from the Australian Bureau of Meteorology.
Very isolated and Rustic: https://www.youtube.com/watch?v=iBuKxCkfTnQ