The slate isle of Seil is a fun place to explore. Tour the quarry town of Ellenabeich (also known as Easdale). Walk cobblestone streets. See white-harled worker’s cottages. Take a fast boat trip to Corryvreckan whirlpool and, in addition to taking in the scenery, spot seals, dolphins and whales. Visit An Cala Gardens. Hike coastal footpaths. Walk in Ballachuan wood. Traverse the single arched Bridge Over the Atlantic. Hop a ferry to Easdale Island. Cross Cuan Sound and ride bikes on Luing Island.