Ducan's Marsh is a 3.6-hectare (8.9-acre) biological Site of Special Scientific Interest north-east of Loddon in Norfolk. 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.
Lakenheath Poor's Fen is a 5.2-hectare biological Site of Special Scientific Interest west 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.
Weston Fen is a 49.7-hectare (123-acre) biological Site of Special Scientific Interest in Hopton in Suffolk. It is part of the Waveney and Little Ouse Valley Fens Special Areas of Conservation, and an area of 37 hectares is managed as a nature reserve called Market Weston Fen by the Suffolk Wildlife Trust.
Nacton Meadows is a 4.5-hectare (11-acre) biological Site of Special Scientific Interest north-west of Levington in Suffolk. It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty
Leziate, Sugar and Derby Fens is an 87.9-hectare (217-acre) biological Site of Special Scientific Interest east of King's Lynn in Norfolk.
Booton Common'' is an 8.2-hectare (20-acre) biological Site of Special Scientific Interest north-west of Norwich in Norfolk. It is managed by the Norfolk Wildlife Trust and is a Special Area of Conservation
Cranberry Rough is an 81.1-hectare (200-acre) biological and geological Site of Special Scientific Interest in the parish of Hockham, east of Attleborough in Norfolk. It is a Nature Conservation Review site, Grade 2, and the Great Eastern Pingo Trail, which is a Local Nature Reserve, goes through the site. Part of it is a Geological Conservation Review site, and it is part of the Breckland Special Protection Area.
Foulden Common is a 139-hectare (340-acre) biological Site of Special Scientific Interest east of Downham Market in Norfolk. It is a Nature Conservation Review site, Grade 2, and part of the Norfolk Valley Fens Special Area of Conservation.
Sea Mere, Hingham is a 36.3-hectare (90-acre) biological Site of Special Scientific Interest close to the town of Hingham in Norfolk.
Whitwell Common is a 19.4-hectare (48-acre) biological Site of Special Scientific Interest north-east of Dereham in Norfolk.
Crostwick Marsh is an 11.6-hectare (29-acre) biological Site of Special Scientific Interest in Crostwick, north of Norwich in Norfolk. 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.
Middle Harling Fen is a 11.8-hectare (29-acre) biological Site of Special Scientific Interest south of East Harling in Norfolk.
Old Buckenham Fen is a 34.5-hectare (85-acre) biological Site of Special Scientific Interest south of Attleborough in Norfolk.
Swangey Fen, Attleborough is a 48.4-hectare (120-acre) biological Site of Special Scientific Interest south-west of Attleborough in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
Hall Farm Fen, Hemsby is a 9.2-hectare (23-acre) biological Site of Special Scientific Interest west of Hemsby in Norfolk. 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.
