On 4 April 2017, Eldense coach Filippo Vito di Pierro and general manager Nobile Capuani were arrested by Spanish authorities on charges of corruption.[5] The detentions occurred after club president David Aguilar made complaints of match fixing following a 0–12 loss to Barcelona B, whilst Eldense player Cheikh Saad said that he had seen Aguilar arguing with di Pierro at half-time of the match, calling the latter a "scoundrel"; subsequently, the former asked La Liga president Javier Tebas to investigate those allegations.[6]
Eldense temporarily suspended all sporting activities, also ending its contract with the Italian investment group represented by Capuani. They also released 12 players, with five people being arrested in connection with the events.[7]
Three consecutive promotions
Eldense spent four years in Tercera División and were promoted to the new fourth level Segunda División RFEF in 2020-21 season due to restructuring of the Spanish football league system. On 28 May 2022, Eldense secured a second consecutive promotion to the new third level Primera Federación after beating Sestao River in the last playoff match. On 25 June 2023, Eldense secured promotion to Segunda División after a draw against Real Madrid Castilla. The play-off finished 4-4 on aggregate meaning Eldense went up due to after having a higher regular season finish. Eldense returned to the second tier after a 59-year absence and achieved three consecutive promotions.
Inactive during the 2005–06 season after being relegated from the Primera Regional, Eldense B returned to the seventh tier in the following campaign, before again achieving promotion in 2009. Relegated in 2010, the club returned to Segunda Regional, and went inactive in 2013 after spending one year back in the Primera Regional.[9]
Eldense B returned to an active status in 2017, in the Segunda Regional.[11] The club achieved promotion to the Primera Regional in June 2021,[12] and reached a first-ever promotion to the Regional Preferente on 29 May 2022.[13]
A second reserve team named CD Eldense C also existed during the 2002–03 season, playing in Segunda Regional. The C-side also returned to an active status in 2021, and currently plays in Segona FFCV.