Boat electronics

Just bought a boat and I have already figured out that I need something bigger than my phone that can use satellite imagery and do plot charting. I am yet to see anything as accurate as Google maps. What do y'all use? The coast is a changing place and id like something that I can see channels and whatnot. Can talk make some suggestions?

I really like Navionics

I just use an ipad with a waterproof case. Unlimited data on plan, can use navionics app or google earth with gps

That might be the deal. I have a go-devil so using my hands is pretty tough for anything other than driving. And I run SKINNY sometimes. So SKINNY that when I stop it can be hard to get started again.