Navigate to a region quickly

You can try the extension CodeNav that let you see also the code regions on the left pane.

You can create bookmarks in Visual Studio 2010. Nice article here - http://www.codeproject.com/Articles/42973/Using-Bookmark-in-Visual-Studio

Depending on how your code is wrapped in #regions you can use the built-in feature to Collapse to Definition Ctrl + M , O. Then navigate to the region you want. You can undo the collapse by using Ctrl + M , P