Ducan's Marsh is a 3.6-hectare (8.9-acre) biological Site of Special Scientific Interest north-east of Loddon in Norfolk, England. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Cornard Mere is an 8.5-hectare (21-acre) biological Site of Special Scientific Interest in Little Cornard in Suffolk. It is managed by the Suffolk Wildlife Trust.
Sizewell Marshes form a 260-acre biological Site of Special Scientific Interest adjacent to Sizewell in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty, and is part of a 356-acre (144-ha) nature reserve managed by the Suffolk Wildlife Trust as Sizewell Belts.
Brackland Rough is a 10.7-hectare (26-acre) biological Site of Special Scientific Interest in Fordham in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire as Fordham Woods.
Pashford Poor's Fen, Lakenheath is a 12.4-hectare (31-acre) biological Site of Special Scientific Interest east of Lakenheath in Suffolk.
Bugg's Hole Fen is a 3.7-hectare (9.1-acre) biological Site of Special Scientific Interest north-west of Thelnetham in Suffolk.
Pakenham Meadows is a 5.8-hectare (14-acre) biological Site of Special Scientific Interest north of Pakenham in Suffolk.
Ant Broads and Marshes is a 745.3-hectare (1,842-acre) biological Site of Special Scientific Interest north-east of Norwich in Norfolk, England. Most of it is a Nature Conservation Review site, Grade 1, and it is part of the Broadland Ramsar and Special Protection Area, and The Broads Special Area of Conservation. Part of it is the Barton Broad nature reserve, which is managed by the Norfolk Wildlife Trust, and two areas are National Nature Reserves.
Cantley Marshes is a 272.1-hectare (672-acre) biological Site of Special Scientific Interest south-east of Norwich in Norfolk, England. It is managed by the Royal Society for the Protection of Birds, It is part of the Broadland Ramsar site and Special Protection Area, The Broads Special Area of Conservation and the Mid-Yare National Nature Reserve.
Foulden Common is a 139-hectare (340-acre) biological Site of Special Scientific Interest east of Downham Market in Norfolk, England. It is a Nature Conservation Review site, Grade 2, and part of the Norfolk Valley Fens Special Area of Conservation.
Scoulton Mere is a 34.2-hectare (85-acre) biological Site of Special Scientific Interest west of Wymondham in Norfolk, England.
Upper Thurne Broads and Marshes is a 1,185.9-hectare (2,930-acre) biological Site of Special Scientific Interest north of Great Yarmouth in Norfolk, England. Part of it is a Nature Conservation Review site, Grade I, and it is in the Norfolk Coast Area of Outstanding Natural Beauty. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation. Two areas, Hickling Broad and Martham Broad, are national nature reserves managed by the Norfolk Wildlife Trust.
Crostwick Marsh is an 11.6-hectare (29-acre) biological Site of Special Scientific Interest in Crostwick, north of Norwich in Norfolk, England. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Yare Broads and Marshes is a 744.5-hectare (1,840-acre) biological Site of Special Scientific Interest east of Norwich in Norfolk, England. Part of the site is a Nature Conservation Review site, Grade I and most of it is in the Mid-Yare National Nature Reserve. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation. Two ares are Royal Society for the Protection of Birds nature reserves, Strumpshaw Fen and Surlingham Church Marsh.
Kenninghall and Banham Fens with Quidenham Mere is a 48.4-hectare (120-acre) biological Site of Special Scientific Interest west of Banham, in Norfolk, England.
Old Buckenham Fen is a 34.5-hectare (85-acre) biological Site of Special Scientific Interest south of Attleborough in Norfolk, England.
Burgh Common and Muckfleet Marshes is a 121.5-hectare (300-acre) biological Site of Special Scientific Interest south of Fleggburgh in Norfolk, England. It is part of the Broadland Ramsar site and Special Protection Area, and The Broads Special Area of Conservation.
Mattishall Moor is a 5.5-hectare (14-acre) biological Site of Special Scientific Interest east of Dereham in Norfolk, England.
Great Cressingham Fen is a 14.3-hectare (35-acre) biological Site of Special Scientific Interest near Great Cressingham in Norfolk, England. It is part of the Norfolk Valley Fens Special Area of Conservation.
