Looking East towards Monkey Beach from Buzz'n.
The blocks are in Essex Record Office Sites and Monuments Record SMR / EHER 21111 which records them as WW2 anti-invasion obstacles.
Extreme left, on the beach, are the remains of a pill box.
Photo: Mersea Museum - Tony Millatt
Image ID TM1_7429
Category 1 Mersea-->Beach
Category 2 War-->World War 2
This image is part of the Mersea Museum Collection.