Wellfield and South Wellfield is an area of Whitley Bay, England, between Monkseaton and Earsdon. It is a residential suburb built between the 1920s and 1950s. The older properties are towards Earsdon, the newer ones closer to Monkseaton.The older, South Wellfield end, had, until relatively recently, a Post Office, a Co-Operative store, and a hairdresser's shop, but all are now closed and converted into private dwelling houses.