Libraries are located at Yokosuka Headquarters and in Yokohama Institute for Earth Sciences. The JAMSTEC Library also facilitates access to online journals and other publications.
JAMSTEC’s Yokosuka Headquarters and Yokohama Institute for Earth Sciences each have their own cafeterias.
Tennis courts and athletic grounds may be found at Yokosuka Headquarters and at Yokohama Institute for Earth Sciences. A Summer Evening festival (Yokosuka) and Fall Harvest festival (Yokohama), sponsored by the MAA, are held in August and October, respectively.