Local anti-nuclear campaigners floated Japanese-style lanterns floated off Rhu Spit on the evening of August 9.
The lanterns aimed to commemorate those who died in the atomic weapons attacks on Hiroshima and Nagasaki in 1945.
Jeanne Brady, one of the campaigners who took part in the ceremony, said: "The lanterns also commemorate all those who have died as a result of nuclear weapons manufacture and deployment, from uranium mining to radiation contamination.
"The lanterns symbolise the spirits of the dead as they enter the afterlife."
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