The charitable organisation told the Observer that it was going to be working with agents to actively market the former boathouse at Castle Hill in the hope that someone would come forward and suggest an alternative use for the site.
"The situation surrounding Tenby's old lifeboat station is a complex one, but should someone come forward with a suitable suggestion for an alternative use for it, they would then have to apply for planning permission for a change of use, while the Crown Estates who own the land would also have to give their consent to this alternative use," explained an RNLI spokesperson.
Following the erection of the new state-of-the-art lifeboat station which sits alongside it, the RNLI now has no use for the old boathouse which they say is no longer fit for purpose.
A recent decision by the Welsh Minister for Enviroment, Sustainabilty and Housing at a hearing in Tenby refused to grant permission to an application submitted by the RNLI for the demolition of the old station.
"As a charity, we are required to divest from substantial future liability and no longer wish to have continued liability to maintain the building or demolish at some future date, and are therefore working with agents in the hope someone can come forward and suggest a use for the building," added the spokesperson.