This is a health walking event held in Innoshima every early December, involving island residents and tourists. Starting and finishing at Innoshima Amenity Park, you can enjoy walking at your own pace while admiring the clear winter air, the calm Seto Inland Sea, and Innoshima's beautiful natural scenery.

This is a lively local market event held on the "24th of every month" at Habu Shopping Street in Innoshima. On the 24th only, each store offers special deals, and the hall of "Okakae Jizo-san," said to grant wishes, is opened. It's a warm event where you can interact with local people.

The "Shin-Onomichi Bridge," connecting Honshu・Onomichi and Mukaishima, is beautifully illuminated from sunset, mainly on weekends. The silhouette of the twin bridges, including the parallel "Onomichi Bridge," casts a beautiful band of light on the sea surface, making the night view of the Onomichi Channel even more romantic.

The massive triple suspension bridge "Kurushima Kaikyo Bridge," a highlight of the Shimanami Kaido, is illuminated after sunset on specified dates. The sight of the giant bridge towers and cables floating on the sea is breathtakingly beautiful. "Kirosan Observatory Park" on Oshima side and "Itoyama Park" on Shikoku side are very popular as the best viewing and photography spots.

Ikuchijima (Hirayama Ikuo Museum of Art), the hometown of Japanese painting master Ikuo Hirayama, offers a wonderful world of Japanese painting to immerse yourself in year-round. Even during the off-season for cycling and tourism in November-December, special exhibitions with different themes are held annually, allowing visitors to spend luxurious time quietly appreciating art in the warm museum.

This is an important Shinto ritual held on New Year's Eve, December 31st, at Oyamazumi Shrine (Oyamazumi Jinja), located on Omishima Island along the Shimanami Kaido. Following the 'Oharae-shiki' (Grand Purification Ritual) to cleanse sins and impurities committed throughout the year, the 'Joya-sai' (New Year's Eve Festival) is solemnly performed to offer deep gratitude for the passing year, preparing one's heart to welcome the new year peacefully.