Viewpoint

Sakishima Cosmo Tower Observatory

Osaka Bay, Osaka

Address
1-14-16 Nanko-kita, Suminoe-ku, Osaka, Osaka 大阪府大阪市住之江区南港北1-14-16
Hours
Tue to Sun
11:00 to 22:00
Mon
Closed

Last admission 21:30. If Monday is a public holiday the observatory closes on the following day. It can be closed during events.

Source: osaka-info.jp, checked 13 Oct 2026.

Cosmo Tower on Sakishima island at dusk in Osaka Bay
Photo: Guilhem Vellut / Flickr (CC BY 2.0)

An observation deck at the top of the Osaka Prefectural Government Sakishima Building on the Nanko waterfront, with views across the bay.

Nearest station Trade Center-mae (Osaka Metro Nanko Port Town Line)
Cost ¥¥
Time needed 1 hour
Best time Evening

Insider tip

Entry is ¥1,200 and free with the Osaka e-pass. Last admission is 21:30. It's closed on Mondays, or the next day when Monday is a holiday. Trade Center-mae Station on the Nanko Port Town Line is about 3 minutes away on foot.

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Upcoming events within a ten-minute walk of Sakishima Cosmo Tower Observatory, from the weekly Osaka events calendar.

Festival Starts tomorrow ¥¥

Lovely Nyan Festa in Osaka 2026

ラブリーにゃんフェスタin大阪2026

24 to 25 Oct ATC Hall, ATC (Nanko), Nanko (Suminoe)

Time 10:00 to 17:00 (last entry 16:00)

A cat-themed fair with more than 170 booths of cat food, goods and handmade items, plus panel exhibitions, talks and a cat photo studio. Adults ¥2,000, elementary school children ¥500, and children cannot enter alone.

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Market ¥

INSECT DISCOVERY 2026

INSECT DISCOVERY 2026 ~昆虫専門店&用品店が一堂に集う昆虫イベント!!~

8 Nov ATC (Nanko), Nanko (Suminoe)

Time 11:00 to 16:00

Insect shops and supply dealers gather to sell and display live stag beetles, rhinoceros beetles and breeding supplies. Admission is ¥500, free for elementary school children and under, and children cannot enter or buy alone.

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Festival Starts tomorrow Free

Maternity & Baby Festa Osaka 2026

マタニティ&ベビーフェスタ大阪2026

24 to 25 Oct Intex Osaka, Nanko (Suminoe)

Time 10:00 to 17:00

A pregnancy and parenting fair with more than 60 sponsor booths, a stage, a crawling race and a pregnancy experience corner, held in Hall 4. Admission is free but visitor registration is required.

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Festival Starts tomorrow ¥

Osaka Camping Car Fair 2026, Autumn

大阪キャンピングカーフェア2026 ~秋の大商談会~

24 to 25 Oct Intex Osaka, Nanko (Suminoe)

Time 10:00 to 17:00

Camping cars on display and for sale across Halls 1 to 3, with goods stalls, a festival-style area and pet-related events. Adult (junior high and up) tickets are listed as ¥800 in advance, ¥1,000 for an e-ticket on the day and ¥1,200 for a paper ticket on the day. Elementary school children pay less and under-school-age children are free.

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Anime and games Starts in 2 days

Sweet Halloween Fes 2026

SWEET HALLOWEEN FES 2026

25 Oct Intex Osaka, Nanko (Suminoe)

A pairing-only doujinshi sale event where amateur creators sell manga, anime and game fan books. Whether cosplay is allowed is listed on the organiser's site.

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Smaller local events nearby

  • Odoru Daisosasen THE MUSEUM Exhibition

    23 Oct to 23 Nov · ATC, Nanko

    An exhibition themed on the Odoru Daisosasen series, held at ATC in the Osaka Bay area.

    Map · Source: ATC Asia and Pacific Trade Center · 踊る大捜査線 THE MUSEUM ~事件はATCで起きている!~

  • Sakishima Kids EXPO 2026 Festival

    24 to 25 Oct · ATC, Nanko

    A two-day family event at ATC with 78 programmes, including a stamp rally and university festivals.

    Map · Source: ATC Asia and Pacific Trade Center · 咲洲こども EXPO2026 ~Think SDGs 笑顔がつながる、未来をつくる~

See every upcoming event in Osaka

An aquarium, a Ferris wheel and a replica sailing ship

Osaka Bay is two areas that share a waterfront. Tempozan has the Kaiyukan aquarium, a Ferris wheel and a mall, and Universal Studios Japan sits further along the coast in Konohana Ward. It suits families and rainy days, and it's the one area where a full day is easy to fill.

Osaka Bay has 8 places on the Roam Osaka map: 3 landmarks, 1 museum, 1 shop, 1 viewpoint, 1 park or garden and 1 bar. Read the Osaka Bay guide.

What is the address of Sakishima Cosmo Tower Observatory?
1-14-16 Nanko-kita, Suminoe-ku, Osaka, Osaka (in Japanese: 大阪府大阪市住之江区南港北1-14-16).
What are the opening hours of Sakishima Cosmo Tower Observatory?
Tue to Sun 11:00 to 22:00; Closed Mon. Last admission 21:30. If Monday is a public holiday the observatory closes on the following day. It can be closed during events.
How do I get to Sakishima Cosmo Tower Observatory?
The nearest station is Trade Center-mae (Osaka Metro Nanko Port Town Line). Sakishima Cosmo Tower Observatory is in Osaka Bay, Osaka.
How much does Sakishima Cosmo Tower Observatory cost?
Sakishima Cosmo Tower Observatory is mid-range, marked ¥¥ on the site's price scale.
How long do you need at Sakishima Cosmo Tower Observatory?
Plan for 1 hour.
When is the best time to visit Sakishima Cosmo Tower Observatory?
Evening.

Stay near Sakishima Cosmo Tower Observatory

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