Golang package directory structure with bitbucket

[rcmonitor]

Go language implies to have the following directory structure:
"bitbucket.org/username/project/package"
As I can see for now, bitbucket only allows to have either
"bitbucket.org/project/package"
or
"bitbucket.org/username/package"
for my private repositories.
Is it possible to add a project as a user to organize my packages as required?