"fee"=>"yes","internet_access"=>"wlan","power_supply"=>"yes","seamark:harbour:category"=>"marina","seamark:type"=>"harbour","url"=>"http://www.jachthavenfjouwerhus.nl"
"fee"=>"yes","operator"=>"Plaatselijk Belang Oosterzee","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"