SINN Féin has accused unionists who voted against a new sports complex in Dungiven of "going back to sectarian politics" after a motion in favour of the project was rejected for a second time.
Councillor Sean McGlinchey said he is attempting to get the motion listed for the third time in a month at a committee meeting due to take place next Tuesday.
Work on the Co Derry facility, including halls, a gym and 3G pitch, was to begin this month, until it was blocked at a meeting of Causeway Coast and Glens Council in December and again on Tuesday.
Unionist councillors voted against the £2.8 million project, arguing that it would leave ratepayers with a £339,000 shortfall.
The UUP grouping previously said it "utterly rejects any attempt by Sinn Féin to introduce claims of sectarian motivations to the decision making process."
Ulster Unionist councillor Darryl Wilson told The Irish News: "We would be happy for the project to proceed provided it is fully funded, and we would be happy to speak to any resident or constituent about any issue."
But Mr McGlinchey claimed that unionists "wouldn't even discuss the motion with us" and "went straight into the vote."
"It showed total disrespect for the motion. Why is £800,000 being spent to upgrade the existing building? We are going back to sectarian politics."
"They (unionists) would fully support this issue if we had supported the withdrawal of the flags motion. I have said that before and I stand over that."
Mr McGlinchey said he intended to raise the issue again at the Leisure and Development Committee and said a legal challenge would still go ahead from the family of paralympian Ryan O'Connor.
Sports Minister Carál Ní Chuilín said she was dismayed at the decision, describing the centre as "a no-brainer" in an area where there is a "pressing need" for such a facility.
"The current sports pavilion is in a poor state of repair and is not currently compliant with the 1995 Disability Discrimination Act," she said.
The minister said the funding shortfall could be made up from a different funding source and would come at no extra cost to the ratepayers in the area.
"The remaining budget of £339k had been approved by the regulator of the Landfill Community Fund and therefore has no implications on the District Rate," the minister said.
"The actions of some councillors have jeopardised the likelihood of this (complex) coming to fruition."
