Advertise in a newspaper, at a cost of around £100 if you run one twice a year. Be ready to handle booking inquiries quickly and efficiently.
Create a Website, or link into a regional site - this need not cost anything.
Get approved and listed in Self Catering Ireland; you pay a regional tourism body £210 a year to get a star classification/listing. The deadline for applying for inclusion in the 2001 guide is April 1st.
Print and distribute colour brochures about your cottage to local tourist offices.
Find a letting agency to do the work for you. Some require that you have the State-approved star rating, others will inspect your property themselves. They then agree a rental price, generally charging their customers a percentage on top of the sum paid to you. Ask locally about letting agencies, or chase up ads in travel sections of newspapers.