Olímpic returned to the third division – renamed Segunda División B – in 1977, finishing in eighth position in its debut season but bottom of the charts in the following campaign, eventually slipping back to Preferente in 1982.

It returned to the third tier in 1987–88 under the guidance of coach Benito Floro (later of Real Madrid), and the club finished in a best-ever fourth position in the category, missing out on promotion in the final day of the season against UD Alzira.

[4] On 7 December 2013, with the side still in that level, it faced Real Madrid in the Copa del Rey's round-of-32, managing a 0–0 home draw in the first leg.

Sudeva Olimpic holds home matches at Campo de Futbol La Murta, with a capacity of 9,000 spectators, 2,000 seated.

In the 1960–61 season leading player Richart was transferred to Sporting de Gijón, and it is said that this money was used to build the popular terrace at the north end of the ground.