Suur Strait (Estonian: Suur väin) is a strait in Estonia, it is located between Muhu and the Estonian mainland.[1] The strait (being itself part of Väinameri) connects Väinameri and Gulf of Riga.
Several islets are located in the strait: e.g. Papirahu, Kesselaid, Kõbajad, Viirelaid.
The strait maximum depth of 24 m is the deepest point in Väinameri.
Kuivastu Harbour is located at the strait. A ferry crosses the strait from Virtsu to Kuivastu.
As of 2020, the Estonian Ministry of Economic Affairs was assessing the possibility of building either a bridge or tunnel across the Suur Strait.[2]