Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Cork (89% of total searches to Cork Harbour). The next most popular destinations are Cobh (6%) and Carrigaline (4%). Searches for hotels in Douglas (1%) are also popular.
KAYAK users have found double rooms in Cork Harbour for as cheap as $122 (Midleton) in the last 3 days. The average price is $307.