I'm in SoCal. I have an ODC420 float tube for sale. I used it one time in freshwater. I decided to go for what I really wanted in the first place so the tube needs to find a good home. I bought it new last year. $140
The integration of sonar, GPS and digital mapping is an untouchable trifecta of technologies that help anglers catch more fish. And today there are a lot of “good” units on the market that will do just that.