The following list does not include formerly existing Halligen that have either vanished or merged with current halligen or the mainland: Langeneß – 956 ha, 16 Warften, about 110 inhabitants. Narrow gauge railway connection to Oland (over causeway). Hooge – 574 ha, 10 Warften, about 120 inhabitants. Gröde – 277 ha, 2 Warften, 11 inhabitants. Nordstrandischmoor; 175 ha, 4 Warften, 18 inhabitants. One-room schoolhouse. Narrow gauge railway connection to mainland. Oland – 96 ha, 1 Warft, about 30 inhabitants. Narrow gauge railway connection to mainland and Langeneß. Süderoog – 60 ha, 1 Warft, 2 inhabitants. Südfall – 50 ha, 1 Warft, bird sanctuary. Hamburger Hallig – 50 ha, 2 Warften, uninhabited, inn occupied in summer, joined to the mainland by a 4 km-long causeway and a polder. Norderoog – 9 ha, no Warften, bird sanctuary tended year-round. Habel – 3.6 ha, 1 Warft, uninhabited, bird sanctuary occupied in summer. On the Danish side, three halliger are to be noted, current or past: Mandø (aforementioned) Langli Jordsand (disappeared, only a sandbank is left) The peninsula and former island of Großer Werder on the Baltic Sea coast is also nicknamed "Baltic Hallig" (Ostsee-Hallig) due to its remote situation and appearance. See also List of islands of Denmark List of islands of Germany Tidal island Uthlande References External links Islands of Schleswig-Holstein Tidal islands of Germany