Furuno 585. Marks fish at 30knt. Seabass scup and all. Furuno Navnet
3D For gps. Reason i went with the navnet is it has the time zero feature and u can switch and use three types of mapes. If u need a transducer def get a 1k ducer. I have three units that i use. fishfinder gps radar. Not an all in one.
Look at the Humminbird unit with side scan...feature rich, easy to use and fantastic detail. It's my eyes underwater when I can't use my eyes underwater.