butter.fly dining room: concrete wall, pendant lamps, wooden tables and blue chairs

Sofa behind a rebar grid, daylight through the window front

Wooden counter with two amber glass carafes, the dining room behind

brunch & bar. coffee & cocktails.

Between “breakfast” and “lunch”. Between brunch restaurant and daytime bar.

butter.fly is your brunch address in Mainz's old town – between the cathedral and Schillerplatz: global flavors, modern cuisine, roasted coffee & cocktails all day. We are your Brunch bar for after-work & weekends – stylish & relaxed. At butter.fly, we live by values like respect, honesty and excellence.

See the menu

Set table with glasses and dried flowers in front of the concrete wall

Açaí mango bowl and burrata stulle from above

Modern brunch restaurant in Mainz

We're breaking the breakfast rules: "Inspired by global flavors and dish fusions – bold, fresh, and diverse." Not a classic breakfast, but Brunch with a new vibe. From grilled sandwiches and bowls to Pornstar Martini and coffee – always precisely prepared, lovingly served.

Signature dishes with an international twist – sweet & savory
Vegan & vegetarian options
Specialty coffee – cappuccino, latte, espresso drinks
Brunch reservations – no laptop spaces

To breakfast

Plate with grilled sandwich, pani puri and cocktails at the bar

Two sours with a lemon slice, one held in a hand

Bar & cocktails – daydrinking is brunch culture

Coffee & cocktails – all day long. From spritz creations and fizz drinks to 0% alternatives: our bar focuses on quality, balance, and taste. Perfect for after-work drinks, acoustic events and beats in the old town of Mainz – or as a highlight for brunch.

Signature cocktails & classics
0% cocktails (alcohol-free) – full of flavor
Wine selection & local recommendations

To the day bar

Eggs benedict croissant and burrito on the terrace, next to an espresso martini

Specialty Coffee in Mainz

We take coffee seriously: careful roasting, precise extraction, milk texture like velvet – golden brown crema and intense aromas. Whether cappuccino, espresso or iced – our standard: Consistently excellent coffee. No frills.