"caravans"=>"yes","drinking_water"=>"yes","power_supply"=>"yes","sanitary_dump_station"=>"yes","shower"=>"yes","tents"=>"yes","toilets"=>"yes"
"email"=>"info@marenland.nl","power_supply"=>"yes","sanitary_dump_station"=>"yes","seamark:harbour:category"=>"marina","seamark:name"=>"Haven Marenland Winsum","seamark:type"=>"harbour"