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Photo: Wiiii, CC BY-SA 3.0 via Wikimedia Commons
This small museum hosts a variety of interesting exhibitions in a 1930s house which is a great example of modern architecture in pre-war Japan. There is a very nice indoor/outdoor cafe. (2026: closed/moved to Gunma prefecture, see Wikipedia)
The Hara Museum of Contemporary Art was one of the oldest contemporary art museums in Japan. The museum was in the Kita-Shinagawa district, in the Shinagawa area of Tokyo.
© OpenStreetMap contributors
アクアパーク品川
Aquarium with dolphin and seal shows and hundreds of species of fish. There is also a carousel ride.
昭和ネオン高村看板ミュージアム
The sign company Showa Neon has a museum with shop signs from the Edo and early Meiji periods. Reportedly all descriptions in this museum are in Japanese. Closed in June 2023 for renovation; reopen due in March 2025.
大井競馬場, Tokyo City Keiba
The best racecourse affiliated to National Association of Racing, the umbrella organization for local horseracing operators. Tokyo Dai-Shoten race in December is rated as international Grade I. Many restaurants and food stands. Night races from March to December are decorated with beautiful illuminations.
しながわ水族館, Shinagawa Suizokukan