Umi Shrine is a holy place where religious souls meet to pray. Enjoy a few moments of reflection, or simply observe others as they worship.
You're spoiled for sightseeing choice in Izumo. Umi Shrine is an ideal place to start here, but there are lots of other fine sights to enjoy. Izumo Science Museum, Ichibataji Temple, and Shinjiko Nature Museum Gobius are close to the sacred place and will round out your day nicely.