• Freeway Diving Goods and Services 
• Trekking
• Feeding seagulls on Sado Kisen
• Japanese Crested Ibis or Toki
• The Japanese Crested Ibis Conservation Center
• Raccoon dogs (Tanuki)

Sado is well known for its brilliant clear water and diving is among the best. Its water has unique features that are not seen in the Pacific side of Japan. Free transportation services are available: from Ryotsu Port or Ogi Port to diving locations and your accommodation. Hands-on experience for the unlicensed 13,500 yen (includes necessary equipment but not swimwear); Two boat dives for the licensed 13,000 yen (excludes regulators, other equipment and your swimsuit). A member of PADI. Note: All divers are asked to sign Liability Release and Express Assumption of Risk before diving. 

www.freeway-diving.com/ (Japanese text)

Become one with nature. See unspoiled alpine flowers as you explore during the blooming season. Preservation of natural habitats is important to us: please mind your manners and respect the environment.  Sado Trekking Map (Japanese) is available at Ryotsu Tourist Information Center. Various alline plants are in flowers from late April to early June. For more information, call Ryotsu Information Center at: 0259-27-5000 or write e-mail to: info@visitsado.com 

A playful way to pass the time aboard the Sado Kisen Ferry: get some snack chips or crackers and head to the stern. You will see many sea-going birds chasing the ferry (and your treats!) all the way across the Sado Strait. If you are lucky, you may also see a pod of dolphins from the deck.

Sado Island was the last ecological habitat for the Japanese crested ibis because the island retains the only environment best suited for the birds. Although the aboriginal Japanese ibis went extinct in 2003, the artificial breeding by the same species donated by China has brought a successful result, and the government has started releasing the ibis back to Sado's skies since 2008. If you happen to see the bird, please stay calm in silence and leave them alone. Also see the below. 
 

This is the place in which successful mating of the Japanese crested ibis, or toki, has been conducted. Visitors can observe the live birds in the sanctuary. Its exhibition house, Toki-shiryo-tenjikan, displays scientific facts, preserved specimens and historical data about the ibis. Admission 200 yen. Note: Observing the birds may be temporarily restricted due to scientific objectives.  Also see the above. 

According to numerous old legends on Sado Island, raccoon dogs often disguised themselves as human beings and occasionally helped people in hardship. Their prominence may be due to the lack of foxes on Sado, the traditional trickster animals of Japanese lore. Some still believe that the raccoon dog is an incarnation of the divine—God blesses you if you happen to see one during your stay. There is wild no foxes, bears, deer, bores or monkeys on the island by the way.