Sakamoto's debut novel, The Electrical Field (1998), won the Commonwealth Writers Prize for Best First Book.
Her third novel, Floating City, was published by Penguin Random House in March 2018 and reviewed in Rungh magazine.
Sakamoto has given talks and readings and has participated in literary festivals in Canada, the United States, Europe and Asia.
In 2004, she contributed a catalogue essay on the work of Painters Eleven abstract expressionist Kazuo Nakamura for an exhibition at the Art Gallery of Ontario.
She has also served as a member of the Canadian jury at the Toronto international Film Festival.