We've listed sites in order of size and availability of on-line links, as we figure that if you're looking for accommodation this will be of more use to you. Note, most of these lists overlap quite heavily. Supports sending of faxes via the Web to a few establishments. The details pages have links to scrollable maps. This site is identical to the A1 Tourism site.
Commercial listings are on the first page.
Free listing are on subsequent pages. Email addresses only on the free listings. However if you want a list to print out and keep for your visit, this could be the page. Has a Highlands and Islands section, with properties grouped according to type, rather than location. Searching by price gives the longest lists.