Atkins & Hoyle Ltd. has been the world’s leading cast hatch and port manufacturer for over 40 years.  Atkins & Hoyle cast hatches and ports offer more benefits compared to that of an extrusion, they are stronger, and much more durable. They not only provide a better seal from weather, but also come standard with an extremely durable UV resistant cast acrylic lens. If you are boating offshore, under sail or power, cast hatches and ports are the only small decision.