


| No. of islands larger than 0.04 km²: | 742 |
|---|---|
| Average water depth, m: | 9.0 |
| Maximum water depth, m: | 100 |
| Land area increase/year, km²: | 2.25 |
| No. of navigable channels: | 4 |
| No. of fixed seamarkers: | 50 |
| No. of floating seamarkers/buoys: | 61 |
| Total length of jetties, m: | 700 |
| No. of cabins: | 8 |
| No. of rest huts: | 7 |
| No. of saunas: | 6 |
| No. of open fireplaces: | 30 |
| Volume of firewood/year, m³: | 150 |
| Volume of waste/year, m³: | 210 |