Keem Beach, located on Achill Island in County Mayo, is a hidden gem that will make you feel like you've been transported to the Caribbean on a sunny day. With its horseshoe-shaped bay surrounded by majestic cliffs, this Blue Flag Beach offers a safe and clean environment for swimming, surfing, and other water sports. Don't forget to check out the nearby Deserted Village and tackle the Keem Bay Loop Trail for breathtaking views. Just be prepared for a steep drive down to the beach and remember to arrive early to snag a parking spot.