- Who
- Unnamed lake on Baffin Island
- What
- 152 hectare(s)
- Where
- Canada ()
- When
The largest lake on an island in a lake on an island is a nameless 152-hectare (375-acre/1.5-square-km) lake on a nameless island in Nettilling Lake on Baffin Island, Canada. Located at map coordinates at 66.387°N 69.645°W, the lake is approximately three times larger than the next example of a third-level nested lake, which is Crater Lake in Lake Taal, on the island of Luzon in the Philippines.