"check_date"=>"2023-06-09","fee"=>"yes","payment:app"=>"yes","power_supply"=>"yes","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"access"=>"private","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"access"=>"private","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"
"operator"=>"Gemeente Smallingerland","seamark:harbour:category"=>"marina","seamark:type"=>"harbour"