From shallow flats to open bays – one boat does it all. The tunnel design on our 21' and 22' bays gets you to places others dare to go. The Bay 21 GX Tunnel is built for anglers who want a larger aluminum bay boat with added shallow-water access. It combines the comfort and organization of the GX family with a tunnel design made for reaching flats, marshes, back bays, rivers, and low-water areas where a standard hull may not be the best fit. This model gives customers more room than the Bay 19 GX Tunnel while keeping the same focus on access and confidence. The larger platform provides space for passengers, tackle, coolers, and gear, making it a strong choice for anglers who spend longer days on the water or fish with a small crew. It is built for those who want shallow-water reach without stepping down to a smaller or simpler boat. The Bay 21 GX Tunnel stands apart from the standard Bay 21 GX by focusing on where it can take you. The standard model is ideal for all-around space and bay performance, while the tunnel version is better suited for boaters who regularly fish tightly fitting waters, changing tides, shallow flats, or protected areas with limited depth. That distinction gives customers a clear reason to choose the tunnel model when access is a top priority. Like other GX models, this boat keeps a comfortable center console layout, open fishing space, and useful storage in an aluminum platform powered by Yamaha. It is designed to help anglers move, cast, and work efficiently while still enjoying the added room and refinement of a larger bay boat. For customers comparing aluminum center console boats with shallow-water capability, the Bay 21 GX Tunnel offers a strong blend of size, access, comfort, and fishability. Customers can choose the Bay 21 GX Tunnel when they want shallow-water access in a larger, more comfortable platform. It is a good fit for anglers who need room for gear and passengers but still want to reach areas with limited depth.