Yes the ferry to Nova Scotia from Portland does take bikes fully assembled.
Originally Posted by
Jim from Boston
We saw the Northern Lights in Nova Scotia in September. NS is also a great and interesting place to cycle. We got there via ferry out of Maine; I don't recall which town back then, though currently, Portland has such service, and you can get to Portland.via the Downeaster Amtrak train out of Boston.
I'm not sure of their bike policy, but they might take bikes, even perhaps fully assembled.
Re-opened 2/9/19, followed by 11 post including mine ..