Lake Constance, in Europe, has about a dozen islands, including some former islands that are now attached to the mainland.
| Island | Area (m2) | Population | Municipality | Country | Coordinates | |
|---|---|---|---|---|---|---|
| 1 | Galgeninsel | peninsula since 19th century | - | Lindau (Reutin district) | Germany | |
| 2 | Hoy | 53 | - | Lindau (Reutin district) | Germany | |
| 3 | Lindau | 680,000 | 3,000 | Lindau (Island district) | Germany | |
| 4 | Wasserburg | peninsula since 1720 | 27 | Wasserburg (Island district) | Germany | |
| 5 | Mainau | 447,584 | 185 | Konstanz (Litzelstetten district) | Germany | |
| 6 | Dominicans Island | 18,318 | 21 | Konstanz (Altstadt district) | Germany | |
| 7 | Mittlerer Langbohl | 31,254 | - | Konstanz (Industriegebiet district) | Germany | |
| 8 | Triboldingerbohl | 135,570 | - | Konstanz (Industriegebiet district) | Germany | |
| 9 | Reichenau | 4,300,000 | 3,200 | Reichenau (Niederzell|Mittelzell|Oberzell) | Germany | 47°41′40″N09°03′48″E / 47.69444°N 9.06333°E |
| 10 | Liebesinsel | 300 | - | Radolfzell (Mettnau district) | Germany | |
| 11 | Werd | 15,854 | 9 | Eschenz (Untereschenz district) | Switzerland | |
| 12 | Mittleres Werdli | 4,000 | - | Stein am Rhein | Switzerland | |
| 13 | Unteres Werdli | 6,000 | - | Stein am Rhein | Switzerland | |
| Lake Constance Islands | 5,637,079 | 6,400 | 6 municipalities |
