Boho Cardiff is an underground club and live-music venue at 3-6 St Mary Street (CF10 1AT), set in atmospheric vaults beneath Cardiff Market in the city centre. Its programme runs the gamut from house and salsa to R&B, comedy, live music and open-mic nights, with DJs spinning late — the venue stays open until 4am. The basement room has a PA and welcomes both original acts and covers across its mixed bill, making it a versatile grassroots stage in the heart of Cardiff's nightlife. Bookings are handled via bookingsbohoclub@gmail.com.
Cardiff · Every Wednesday · Free
Boho Cardiff Open Mic
Cardiff open mic at Boho Cardiff — listed on Google Places. Schedule details below are pending venue confirmation; check the venue's own listings before turning up.
Open mic at a glance Boho Cardiff · Cardiff
Wednesday
Open mic night
Apr 2026
Listed since
07 Aug
Last verified
Free
Entry
12 min
Slot length
Community
Listing status
Run a Cardiff open mic? List it free — verified within 48 hours
Last updated: 3 June 2026
Boho Cardiff Open Mic — Quick Facts
Cardiff open mic at Boho Cardiff — listed on Google Places. Schedule details below are pending venue confirmation; check the venue's own listings before turning up.
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The Details
Everything you need before you turn up
DayWednesday
Start20:00
Sign-up19:30 walk-in
Slot length12 min
EntryFree · 18+
Capacity–
Performer typesMusic
Sound engineerBYO / hire on the night
View on map
Where
Boho Cardiff3-6 St Mary St
Cardiff CF10 1AT
Cardiff — check venue website for parking and nearest station.
Highlights
Free entry for all
PA system provided
Walk-in sign-up
Music welcome
How do you rate this open mic?One tap, no sign-up required.
Spotted something wrong with this listing?Closed, moved night, different start time? Let us know and we'll re-verify within 48 hours.
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About Boho Cardiff
About This Open Mic
Every Wednesday in Cardiff
Kicks off at 20:00, sign-up from 19:30
Free entry for performers and audience
12-minute slots
PA provided — BYO instrument
Part of the Cardiff open mic directory
The Night
Boho Cardiff is listed on Google Places as hosting open mic nights in Cardiff. We've verified the venue exists at the address below; the day, start time and slot length still need direct confirmation from the venue.
Getting there
3-6 St Mary St, Cardiff CF10 1AT.
Photos
Four photos sourced from Google Places contributors are shown above the map.
What's on stage — equipment and backline at this venue, verified regularly.
PA + monitors
Drum kit
Guitar amp
Bass amp
Keys / keyboard
Vocal mics
In-house engineer
The Night at a Glance
How Boho Cardiff’s Wednesday night runs.
19:30Sign-up
20:00Kick-off
Every Wednesday 12-min slots Free entry
Find Boho Cardiff
3-6 St Mary St, Cardiff CF10 1AT
Planning Your Wednesday Night
Arrive by 19:30 to sign up for a slot. Entry is free and the open mic typically runs until late. A PA is provided — bring your own instrument and amp.
Part of the Cardiff live music scene.
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Try the Rate CalculatorCommon Questions
Seven things people ask before turning up at Cardiff's Boho Cardiff open mic.
Walk-in sign-up only, opens at 19:30. Arrive early — slots fill on the night. See other Cardiff open mic nights for alternatives.
PA + vocal mic provided. BYO instrument and amp.
12 minutes per act — typically 3 songs solo.
Yes — free entry for performers and audience. Most Cardiff mics are free; browse the list.
Solo and duo acts work best given the gear available; ask the host before bringing a full band.
3-6 St Mary St, Cardiff CF10 1AT.
Mostly fellow musicians, friends and Cardiff regulars across the Cardiff open mic scene. Cardiff open mic crowds tend to listen attentively.
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