Islands · East of England
Cobmarsh Island
In or near Little Wigborough.
Cobmarsh Island — island in Essex, United Kingdom.
Wikimedia Commons licence
Plan your visit
- Typical visit
- 4 h–12 h
- Free entry
- Dog-friendly
About
Cobmarsh Island is an island off the coast of Essex, East of England. The site is a designated Site of Special Scientific Interest, and is a Ramsar wetland of international importance. It sits within the Harwich and North Essex parliamentary constituency. Postcode area CO5.
Photo gallery
Protected designations
- Site of Special Scientific Interest: Blackwater Estuary SSSI
- Ramsar wetland: Blackwater Estuary (Mid-Essex Coast Phase 4)
Designations sourced from Natural England open data under OGL v3.
Place summary
Cobmarsh Island is an island located in the East of England, within the parish of West Mersea, Essex. It is designated as a Site of Special Scientific Interest (SSSI) and is part of the RAMSAR site for the Blackwater Estuary. The island is notable for its ecological significance within the Mid-Essex Coast.
AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.
- Coordinates
- 51.7718, 0.8988
- County
- Essex
- District
- Colchester
- Parish
- West Mersea
- Postcode
- CO5 8LT
- Parliamentary constituency
- Harwich and North Essex
Sources
- wikidata: Q5138937 (CC0)
- wikipedia: Cobmarsh Island (CC BY-SA 4.0)
Other places nearby

Mersea Island Museum
Museums · 1.0 km

Barfield Road Cemetery
Cemeteries · 1.3 km

The Sensory Garden
Gardens · 1.4 km

West Mersea
Museums · 1.4 km

British Legion Hall Cinema
Theatres · 1.4 km

Great Cob Island
Islands · 1.8 km

Seaview
Caravan parks · 2.6 km

Ray Island
Wildlife reserves · 2.6 km

Weymarks Beach
Beaches · 3.1 km

Mersea Mount
Archaeological sites · 3.1 km

Tollesbury Wick Marshes
Forests & woodlands · 3.2 km

Lightship
Natural landmarks · 3.3 km
Nearby
Museums · East of England
Mersea Island Museum
Mersea Island Museum — a museum in england-east, United Kingdom.
Cemeteries · East of England
Barfield Road Cemetery
Barfield Road Cemetery is a cemetery in the United Kingdom.
Gardens · East of England
The Sensory Garden
The Sensory Garden — a garden in england-east, United Kingdom.
Museums · East of England
West Mersea
West Mersea — a museum in england-east, United Kingdom.
Theatres · East of England
British Legion Hall Cinema
British Legion Hall Cinema in England East, United Kingdom.
📷 3Where to eat & stay near Cobmarsh Island
Places to stay
Caravan parks · East of England
Coopers Beach Holiday Park
Coopers Beach Holiday Park — a caravan park in england east. Brand: Parkdean Resorts.
Caravan parks · East of England
Mersea Island Holiday Park
Mersea Island Holiday Park — a caravan park in england east.
Caravan parks · East of England
Waterside Holiday Park
Waterside Holiday Park — a caravan park in england east.
Places to eat & drink
Historic pubs · East of England
Peldon Rose Public House
Peldon Rose Public House in England East, United Kingdom.
Historic pubs · East of England
The King's Head Public House
The King's Head Public House in England East, United Kingdom.
Historic pubs · East of England
Dog And Pheasant Public House
Dog And Pheasant Public House in England East, United Kingdom.
Historic pubs · East of England
The Fox And Hounds
The Fox And Hounds in England East, United Kingdom.
Historic pubs · East of England
Donkey And Buskins Public House
Donkey And Buskins Public House in England East, United Kingdom.
📷 7Historic pubs · East of England
The Ipswich Arms Public House
The Ipswich Arms Public House in England East, United Kingdom.
More places in this region
📷 5
📷 4
📷 3Islands · East of England
New England Island
New England Island — island in Essex, United Kingdom.
📷 5Frequently asked questions
- Where is Cobmarsh Island?
- Cobmarsh Island is in Essex, East of England, United Kingdom (postcode CO5 8LT), in the parish of West Mersea.
- What is Cobmarsh Island?
- Cobmarsh Island — island in Essex, United Kingdom.
- How do I get to Cobmarsh Island?
- Drivers can use postcode CO5 8LT.
- Is Cobmarsh Island a protected site?
- Yes — Cobmarsh Island is part of the Blackwater Estuary SSSI Site of Special Scientific Interest and the Blackwater Estuary (Mid-Essex Coast Phase 4) Ramsar wetland.
- Is Cobmarsh Island free to visit?
- Yes, Cobmarsh Island is free to enter.
- How do I get to Cobmarsh Island?
- Drivers can navigate to postcode CO5 8LT. It sits within the Harwich and North Essex parliamentary constituency.