Killary Harbour, also known as Killary Fjord, is a stunning inlet nestled between County Galway and Mayo. Stretching 16 kilometers long and reaching depths of up to 45 meters, this fjord boasts breathtaking scenery with mountains on either side and crystal-clear waters teeming with wildlife like seals, dolphins, and even the occasional shark. Popular among tourists, Killary Harbour offers boat tours and aquaculture activities, making it a must-visit destination for nature lovers and adventure seekers alike.