LONDON—Three of this city's most iconic luxury hotels, including Claridge's, are being sucked into Ireland's banking crisis, illustrating how the country's problems are having an impact beyond Irish shores.

The owners of the group of hotels recently saw the Irish government transfer its loans with Anglo Irish Bank Corp. and Bank of Ireland PLC into the country's state-loan agency, which plans to acquire up to about €73 billion ($102 billion) in nominal value of real-estate loans in hopes of restoring confidence in Ireland's...