The Yachting Channel

Free

Available in channel store

Code theyachtingchannel

https://owner.roku.com/add/theyachtingchannel
yachts, shipbuilding, voyages
confirmed code/Add link 6/5/2013

Sail TV

free

available in channel store

code sailtv

https://owner.roku.com/Add/sailtv

sailing 

confirmed code/Add link 5/16/2013