Online learning space design becomes a significant issue with the proliferation of online learning in higher education. Never before has the instructor been given such a privilege in building and molding the learning space to fulfill his/her instructional aspirations. However, enormous challenges are present to the instructor in taking advantage of this newly gained freedom. Most instructors have limited awareness of their new roles as learning space designers. Although learning space plays an important role in mediating student learning, it is a topic that is least understood. Therefore, it is important for online course instructors to start a dialogue in learning space design. This article reports our experiences of designing learning spaces in a discussion-based online course to facilitate and organize student learning. (Contains 1 table.)