
Café B20
Cafe • Mainz
Restaurant info
Café B20 serves traditional coffee specialities at one of Mainz's oldest cafés, offering a wide breakfast selection, daily soups, and fresh cakes sourced from local bakeries and confectioners. Coffee beans from the Mainzer Kaffeemanufaktur are also available to purchase.
What visitors say
Most visitors enthusiastically praise Café B20's gluten-free waffles and Belgian waffle with fruit salad, with staff generally noted as friendly. However, one celiac diner expressed serious concerns about staff allergen knowledge, incorrect orders, and lack of proper protocols, raising trust issues for those with sensitivities.
5+ real reviews – summarized by AI · updated Oct 7, 2026
Address
Betzelsstraße 20-24, 55116 Mainz, Germany
Phone
+49 6131 2122019Community Reviews
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