Cobmarsh Island
| Cobmarsh Island | |
 Besom Fleet, with Cobmarsh Island behind | |
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| Location | |
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| Location: | 51°46’18"N, 0°54’0"E |
| Grid reference: | TM001121 |
| Data | |
Cobmarsh Island is a tiny island off the west side of Mersea Island on the coast of Essex. It is separated from Mersea by a narrow channel called Besom Fleet.
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("Wikimedia Commons" has material about Cobmarsh Island) |