Matsushima is extremely safe for solo female travelers. The area is well-known for its low crime rate and friendly locals. Japan, overall, prioritizes safety and courtesy. Public transportation in Matsushima, as in the rest of Japan, is reliable and secure. It should also be noted that Japanese culture is respectful and non-intrusive, making even crowded situations comfortable. Always maintain your personal safety practices, but you can expect to feel secure while exploring Matsushima's exquisite natural beauty, historic landmarks and tranquil temples.