Roker Pier closes on June 22 for the first time in its 111 year history. Restoration work will be carried out as part of plans to restore the landmark.
The work is part of a £1.35m project for the Grade II listed pier announced by Sunderland City Council last February.
"Undoubtedly people who regularly use the pier will be disappointed about the disruption but hopefully carrying out the work now will mean there's less need to close it for temporary repairs in the future."
A tunnel underneath Roker Pier could soon be open to the public, if a bid for funding is successful. The space underneath the pier is three quarters of a mile long and originally housed the gas pipes powering the lighthouse.
Sunderland City Council has submitted a new application for extra money from the Heritage Lottery Fund to carry out the work.