Shannonferries saving you miles and miles. Cross the Shannon Estuary in just 20 minutes on the Wild Atlantic Way on the Killimer/Tarbert and save 85 miles (137 km) from ferry terminal to ferry terminal. This is a lovely experience for visitors who would like a short break in their journey to relax as they sail across the majestic Shannon Estuary. As the only vehicle ferry trip on the main spine of the Wild Atlantic Way, this invigorating journey allows you experience the rugged nature of land and sea as you breath in the fresh salty sea air that encapsulates Irelands Wild Atlantic Way.