[1][2][4][6][7][8] The Cumulus 28 is a recreational keelboat, built predominantly of fiberglass, with teak wood trim.

The hull has a raked stem, a reverse transom, a transom-hung rudder controlled by a tiller and a fixed fin keel.

[1][2][4] The boat's galley is located on the port side of the cabin at the bottom of the companionway steps.

The head has a privacy door and is located forward, just aft of the bow "V"-berth and has a hanging locker.

There is also a quarter berth aft on the starboard side, for a total sleeping accommodation for five people.