Oimatsu Beach is generally safe for swimming and well-suited for families, with calm waters and gentle waves typical of the area. The sandy bottom and gradual depth make it appropriate for children. However, always supervise young swimmers and check local conditions before entering the water. Jellyfish can appear during late summer. The beach lacks lifeguards at many times, so exercise standard water safety precautions and avoid swimming alone.

Oimatsu Beach can be visited year-round, though swimming season typically runs from July through August. The beach is particularly beautiful at sunset, offering views over the Sea of Japan. Spring and autumn provide comfortable temperatures for beach walks without the summer crowds. Winter visits are possible for scenic strolls, though water activities aren't recommended. The beach remains accessible throughout the year, making it convenient for spontaneous visits.

Oimatsu Beach is located within Hagi city and easily accessible by car, bicycle, or local bus. From Hagi Station, it's approximately a 15-20 minute drive or bus ride. Bicycle rental is popular in Hagi, and the beach is about 30 minutes by bike from the historic castle town area. Free parking is typically available near the beach. The beach's proximity to Hagi's main attractions makes it convenient to combine with sightseeing.

Hagi city offers numerous accommodation options including hotels, traditional ryokans, and guesthouses, most within a short drive of Oimatsu Beach. The city is known for fresh seafood, particularly sea urchin and local fish. Restaurants serving Hagi's specialty dishes are found throughout the city center. Basic facilities may be available at the beach during summer, but for full meal options, head into central Hagi, just minutes away.

Oimatsu Beach offers an accessible, local beach experience away from major tourist crowds, popular with Hagi residents. Its calm waters and sandy shore provide a relaxing contrast to Hagi's historic samurai district exploration. The beach is particularly valued for its sunset views and peaceful atmosphere. Being a neighborhood beach rather than a major resort destination, it offers an authentic glimpse of everyday coastal life in this historic Japanese town.