Kerala Backwater Cruise | SOUTHERN PANORAMA CRUISES One of the best & Luxury Houseboats in Kumarakom. If you are looking for luxury Kerala Backwater Cruise in alleppey, Southern Panorama owns the world’s largest houseboat, Casino with a people capacity of more than 500 pax. Our famed cruises bring in a whole new travel experience for holidaymakers who are eager to try the floating luxury which has been a rage for a long time.