Go Fly a Kite
Learn to fly a kite to reach fish far out of casting distance.
This video isn't the best quality but the instructions are just great. You can read more about why people fish with kites and how effective they can be in today's story line and you can buy them there. They're incredible once you get to understand them and there's a reason most of the top sailfish, billfish and other open water predator anglers keep them on their boats.
This video comes from the people at Caught in Flight.