Amphibious vehicles

http://www.amphibiousvehicle.net

http://mitglied.lycos.de/amphicar

http://www.amphicar.com

http://www.aquada.co.uk

http://www.timdutton.com

http://www.searoader.com

Amphibious ATV type vehicles

http://www.route6x6.com

http://www.maxatv.com

http://www.landtamer.com

http://www.argoatv.com

Mud paddles for ATV

http://www.quadivator.com/other/mudslingers/website/index.html