Starting from the 2012–13 season, Diksmuide had to compete again in the provincial leagues after being relegated from the Fourth Division.

As a newcomer in the second provincial league, the results were excellent in the 2017–2018 season with a second-place finish.

KSV Diksmuide is known for its excellent youth academy with over 400 players, also focusing on women's football.

Following the conclusion of the 2023–24 season, it was announced that Diksmuide had make an agreement with the City of Oostende to merge with KV Oostende, a professional club most recently competing in the Challenger Pro League that had recently declared bankruptcy.

[2] As part of the agreement the newly formed KV Diksmuide-Oostende would play its home games in the Diaz Arena, the former home of KV Oostende, while the youth team of KSV Diksmuide would continue to play its games at De Pluimen.