Russia's baltic coast is heavily defended, since many critical economic and political centers are near it. Included in the system is a coast defense system in Latvia, closing the Gulf of Riga to possible attack.

The defenses of Petrograd include 8 356mm/52 in two batteries of four guns each.

The defenses of Tallinn include 6 356mm/52 in two triple turrets and 6 234mm/54 in two triple turrets.











The other major defenses closing the Gulf of Riga and the islands of Dago and Osel each consist of 4 305mm/40 guns in twin turrets and 6 234mm/54 in triple turrets.




Baltic Sea Sector:

Westernmost point of Dago Island - Battery Admiral Kurosch

2 Dual 305mm turrets - from predreadnought battleship Tsesarevich

2 Triple 234mm turrets - unutilized turrets from Sviatoslav class heavy cruisers

3 Single 150mm mounts - from predreadnought battleship Tsesarevich

5 120mm single mounts - from armored cruiser Riurik

4 100mm AA

8 37mm AA

Elsewhere on Dago Island - 1 Airfield - 1 Fighter Regiment, 1 Patrol Regiment, 1 Torpedo Bomber Regiment. Airfield is defended by 4 100mm AA and 4 37mm AA

Kinhu Island - Battery Admiral Essen

2 Dual 305mm turrets - from predreadnought battleship Andrei Pervozvanni

2 Triple 234mm turrets - unutilized turrets from Sviatoslav class heavy cruisers

3 Single 150mm mounts - from predreadnought battleship Tsesarevich

5 120mm single mounts - from armored cruiser Riurik

4 100mm AA

8 37mm AA

1 Airfield - 1 Fighter Regiment, 1 Patrol Regiment, 1 Torpedo Bomber Regiment. Airfield is defended by 4 100mm AA and 4 37mm AA

Southernmost point of Osel island - Battery Slava

2 Dual 305mm turrets - salvaged from predreadnought battleship Slava

2 Triple 234mm turrets - unutilized turrets from Sviatoslav class heavy cruisers

3 Single 150mm mounts - from predreadnought battleship Tsesarevich

5 120mm single mounts - from armored cruiser Riurik

4 100mm AA

8 37mm AA

Westernmost point of Osel island - Battery Admiral Bakhirev

2 Dual 305mm turrets - from predreadnought battleship Imperator Pavel I

2 Triple 234mm turrets - unutilized turrets from Sviatoslav class heavy cruisers

3 150mm single mounts - from predreadnought battleship Tsesarevich

5 120mm single mounts - from armored cruiser Riurik

4 100mm AA

8 37mm AA





These turrets have been modified to permit elevations of up to 45 degrees, to ensure especially long range fire, up to 26,000 meters for 305mm/40, and 33,200 meters for 234mm/54.

Russia's most powerful Baltic coast defense installation consists of 4 420mm/53 in twin turrets.