Mullutu-Suurlaht

Mullutu-Suurlaht is a former lake in Estonia. It is located on the island of Saaremaa, about west of the town of Kuressaare. It had an area of and its maximum depth was. It was a brackish waterbody that has now become two separate lakes as a result of uplift and overgrowth:

Suurlaht or Kellamäe Bay to the east, and
Mullutu Bay or Big Mullutu Bay to the west.

During regular flooding in spring, the two lakes can merge with nearby Paadla, Vägara, and Kaalupea bays to create a temporary waterbody covering up to. Suurlaht drains into Mullutu Bay via Kurgu Creek, and Mullutu Bay is drained by the Nasva River. Due to a strong connection with the sea through the Nasva River, the lakes are rich in fish. The main species include bleak, burbot, crucian carp, dace, eel, gudgeon, ide, perch, pike, ruffe, roach, rudd, and tench.