Ploemeur is a popular tourist destination with its beaches, coves, ports Lomener or Kerroc'h.
60 km of hiking trails allow visitors to discover the chapels, megaliths, stone villages ... A recent pedestrian-bicycle trail set up along the coast connects Fort Blocked Guidel to join and to Kerroc'h term.
Many megalithic monuments attest to human presence from the Neolithic to Ploemeur.
In 1666, the East India Company settled on the heath of Faouédic owned Ploemeur.
The city of Lorient, whose suburbs are ploemeurois until 1791, develops. Until the end of the revolution, is part of Ploemeur Lorient Republican bastion.
The eighteenth and nineteenth centuries, fishery-related activities, particularly sardines, are very important.
During the Second World War airfield Lann-Bihoue is built by the will of the Germans.
A deposit of kaolin is operated since its discovery in 1904 until now.