Blue Hole Mineral Spring in Jamaica is a popular natural attraction that offers visitors the chance to swim in turquoise waters, explore caves, and leap off waterfalls. Located in the hills of St. Mary, this free-access spot is a must-visit for those looking for a fun and adventurous day out. Make sure to go early to avoid the afternoon rain showers, bring cash for guides and snacks, and be prepared for a bumpy ride up the hill. Don't forget your water shoes and camera for some epic photos!