Yes, you can swim in the sea in Montego Bay! Montego Bay is known for its beautiful beaches and crystal clear waters, making it a great place to take a dip. Doctors Cave Beach, one of the most popular beaches in the area, offers calm waters and soft, white sand. Other beaches such as Montego Bay Marine Park, Cornwall Beach and Sunset Beach are also great for swimming and other water activities. However, it is always important to take safety precautions when swimming in the ocean, such as following lifeguard instructions and watching out for potential hazards.