Directions to St. Justin Martyr Catholic Church Directions to St. Justin Martyr Catholic Church Search | Advanced Search | New Members | Coupons and Discounts | All Categories Lodging, Travel & Tourism >> Wedding Services St. Justin Martyr Catholic Church 105500 Overseas HighwayKey Largo, FL 33037 | map Marliese Ljuba 305-451-1316 Get directions to: St. Justin Martyr Catholic Church, 105500 Overseas Highway, Key Largo FL Get directions from: Click to Print This Page