There are four of these glass-enclosed, open ceiling free-use spaces located around the facility. On a clear day, visitors can relax here with a cup of tea or a book. The unique design makes these patios feel like they are located both inside and outside the building at the same time, which is a feature sometimes utilized to good effect for display installation pieces, performances and the like.

This room is where the PA mixer, DMX controller and other devices used to control the high-quality video, sound and lighting equipment in Studio A is located. However, in order to diminish the sense of distance from the artist, this control has been moving increasingly closer to the audience seating.

This space is used to unpack the materials used in Studio A and is designed to be accessible by a ten-ton truck. In addition to machinery that can cut wood based off of 3D data, this area is equipped with a lathe, milling machine and other equipment used in the creation of large-scale wooden installations.

These anterooms are used by artists who will be performing on-stage. There are eight dressing rooms in total, located on both the first and second floors.

Equipped with four large-screen monitors, this space is used to display information about current and upcoming events. As these monitors can also be used to display video pieces, this space is sometimes used for exhibiting installation pieces or hosting lectures and other such events.

This space is used to host small-scale events, such as workshops and lectures. At YCAM, it is important that visitors are able to discover and experience both the potential and significance of media technology on their own; thus, the Center offers events through which visitors can develop their media technology "literacy" as well as appetite for expression. Through such events, YCAM works to broaden people's thinking and spur their creativity. This space plays a central role in achieving this goal.

In addition to space for nursing mothers, cribs and cushions, you will find toys, picture books, children's videos and other childcare resources. On days when the adjacent Yamaguchi City Central Library is open, paid childcare is available between 13:00 and 17:00.

Ticket sales and a variety of inquiries are handled here.

This space is where YCAM staff work. It is where a variety of different ideas and plans are born.

This space is equipped with a kitchen, cooking equipment and other resources. Cooking-related workshops and other events are held here.

This space is used for unpacking the large set pieces used in Studio B. It is equipped with a chip mounter for placing electronic components on circuit boards, a 3D printer, a laser cutter and other equipment to be used as needed in creative activities.

A bridge has been installed in an open section of the second floor to allow visitors cross over and above the Yamaguch City Central Library. The entire library space can be surveyed from the bridge as natural light pours into the room from the patio area.

This conference room equipped with a whiteboard, a monitor and a projector among others can be used for meetings, lectures, or similar events.