Coordinates: 51°59′43″N 1°09′47″E / 51.9954°N 1.163°E
The Shotley Peninsula is a rural area east of the A137 Ipswich-Colchester road located between the rivers Stour and Orwell in Suffolk, England. The peninsula is named after the settlements of Shotley and Shotley Gate which are situated near its south-eastern tip. Other villages on the peninsula include Chelmondiston, Erwarton (Arwarton), Freston, Harkstead, Holbrook, Stutton, Tattingstone, Wherstead and Woolverstone.
The population was 10,310 according to the 2001 Census, approximately 12.4% of the total population of Babergh District.
The rivers Stour and Orwell meet at Shotley Gate and merge to join with the North Sea. The Stour and Orwell is a designated Special Protection Area, a Site of Special Scientific Interest and a Ramsar site for wetland habitats.