Tallinn Bay (Estonian: Tallinna laht) is a bay in Estonia on the southern coast of the Gulf of Finland. The Estonian capital city Tallinn is located on the southern coast of the bay.[1]
Tallinn Bay itself is divided into several parts: Tallinn Roadstead (Estonian: Tallinna reid), Kopli Bay, Kakumäe Bay and Paljassaare Bay.[1] The islands Naissaar and Aegna border the bay in the north, the Viimsi Peninsula to the east.
The shore waters are shallow but become deep rapidly. Tallinn Bay has a steep slope, which allows for good water exchange with the waters of the Gulf of Finland.[2] Tallinn Bay is one of the deepest bays in Estonia, max depth is about 100 m.[3]
The Old Town is situated close to the sheltered Tallinn Bay, which is a natural harbour and the main passenger port.[2] Paljassaare Harbour and Bekker Harbor by Kopli Bay are used for cargo traffic. There are four public beaches on the coastline: Pirita, Stroomi, Kakumäe, and Pikakari.