Rescue services have called off the search for 30-year-old Dr Robert Allen who was swept into sea at Treyarnon Bay.
21-year-old Charles Allen died after being found and airlifted to hospital.
The brothers were part of a family party visiting the area over the weekend. They had been fishing near Padstow.
The Maritime and Coastguard Agency have confirmed the search for a second man who was swept into the sea has been called off.
Two brothers had been reported as missing after being swept off rocks at Warren Cove.
One of the men, a 21-year-old, died after being airlifted to hospital.
The brothers, who had been fishing near Padstow, were of a family party on a weekend visit to the area.
Around 100 people were involved in the search, including lifeguards and a rescue helicopter.
A body, thought to be that of one of two brothers who were swept out to sea while fishing in Cornwall, has been found.
21-year-old Charles Allen died after being airlifted to hospital. 30-year-old Dr Robert Allen has not yet been found.
The search at Treyarnon near Padstow resumed this morning. Another man found yesterday and airlifted to hospital has died.