head off to Brazil for production of at least some of the scenes which take place in that nation.
One of those scenes is where "Edward" takes "Bella" to "Isle Esme" in a boat.
According to one source, Robert Pattinson (who, obviously, portrays the character) has been seen in Baton Rouge, Louisiana (also a prominent filming location for Breaking Dawn) learning how to drive a boat on one of the state's rivers.
"... that Rob was on a river in Baton Rouge early this morning, driving a “speed boat” with an instructor. We’re told by another source that he was followed by a rescue boat with certified scuba divers — just in case."
The speculation offered is that Pattinson is learning to drive a boat in preparation for the scene mentioned above.
If authenticity in presentation is the goal of this film (which seems to be the case with the Brazil filming location news), it makes sense that Pattinson would need to take boating lessons for that scene.