The Block List, Seongsu, Seoul

Cafe Onion Seongsu#15 · Top 15 cafés in Seongsu

★ 4.2, 3,518 reviews. Not Google Maps' own ranking.

Seongsu, Seoul
#15Top 15 cafés in Seongsu
Cafe Onion Seongsu★ 4.2 with 3,518 Google reviews
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Google data as of September 25, 2026. Not Google Maps' own ranking.

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Cafe Onion Seongsu on The Block List

Cafe Onion Seongsu is number 15 in the Top 15 cafés in Seongsu, Seoul, with 4.2 stars across 3,518 Google reviews. Right above it, at number 14, is Raw Coffee Stand. The neighborhood's number 1 is whyden coffee seongsu. Seongsu itself ranks number 1 of 5 neighborhoods in Seoul for cafés.

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#15 · Top 15 cafés in Seongsu · The Block List

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Cafe Onion Seongsu is #15 in the Top 15 cafés in Seongsu