strictly nothing! - the site was used for the bus station but this essential feature, given the vagaries of Manx weather, was also demolished some 5 years ago leaving a large vacant space that Goverment and Douglas corp have wrangled over - supposedly there is a hotel to be built there but when ?

If you go to http://www.dotet.co.uk/remote/remote.php?type=webcam&name=douglas
you can see North quay but not the bit where it was ! (off to the right)