
East 33 Limited (E33) is a Sydney Rock Oyster producer, supplier and exporter. The company has Sydney Rock Oyster farming operations spanning 195 hectares in New South Wales; namely, in Tuncurry (Wallis Lake), Manning River and Port Stephens. East 33 also has retail operations in Tuncurry and Oatley, both in New South Wales.
The company was delisted in 2024 after acquisition by Yumbah Aquaculture.