There are 6 ways to get from Mermaid Quay to Cardiff Castle by bus, taxi, foot, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Line 304 bus, bus
best- Take the bus from The Flourish to Cardiff Bus Interchange Bay 1bus 304
- Take the bus from Cardiff Bus Interchange Bay 9 to Cardiff Bridge KRbus 13 / ...
20 min£4–6Train
cheapest- Take the train from Cardiff Bay to Cardiff Queen Streettrain Cardiff Bay - Cardiff Queen Street / ...
26 min£1Line 304 bus
- Take the bus from The Flourish to Cardiff Bus Interchange Bay 1bus 304
23 min£3Taxi
- Take the taxi from Mermaid Quay to Cardiff Castletaxi 2.2 mi
6 min£7–9Walk
- Take the walk from Mermaid Quay to Cardiff Castlewalk 1.8 mi
35 minLine 304 bus via Mount Stuart Square
- Take the bus from Mount Stuart Square to Cardiff Bus Interchange Bay 1bus 304
26 min£3
Mermaid Quay to Cardiff Castle by foot and bus
Comparing Your Travel Options
The cheapest way to get from Mermaid Quay to Cardiff Castle is to train which costs £1 and takes 26 min.
The fastest way to get from Mermaid Quay to Cardiff Castle is to taxi which takes 6 min and costs £7 - £9.
Yes, there is a direct bus departing from The Flourish and arriving at Cardiff Bus Interchange Bay 1. Services depart every 15 minutes, and operate every day. The journey takes approximately 6 min.
Yes, there is a direct train departing from Cardiff Bay and arriving at Cardiff Queen Street. Services depart every 30 minutes, and operate every day. The journey takes approximately 3 min.
The distance between Mermaid Quay and Cardiff Castle is 2 miles.
The best way to get from Mermaid Quay to Cardiff Castle without a car is to line 304 bus and bus which takes 20 min and costs £4 - £6.
It takes approximately 20 min to get from Mermaid Quay to Cardiff Castle, including transfers.
Mermaid Quay to Cardiff Castle bus services, operated by First South & West Wales, depart from The Flourish station.
Mermaid Quay to Cardiff Castle train services, operated by Transport for Wales, depart from Cardiff Bay station.
The best way to get from Mermaid Quay to Cardiff Castle is to line 304 bus and bus which takes 20 min and costs £4 - £6. Alternatively, you can train, which costs £1 and takes 26 min.
What companies run services between Mermaid Quay, Wales and Cardiff Castle, Wales?
You can take a vehicle from Mermaid Quay to Cardiff Castle via The Flourish, Cardiff Bus Interchange Bay 1, Cardiff Bus Interchange Bay 9, and Cardiff Bridge KR in around 20 min. Alternatively, Transport for Wales operates a train from Cardiff Bay to Cardiff Queen Street every 30 minutes. Tickets cost £1 and the journey takes 3 min.
- Phone
- 03333 211 202
- Website
- Transport for Wales
Train from Cardiff Bay to Cardiff Queen Street
- Ave. Duration
- 3 min
- Frequency
- Every 30 minutes
- Estimated price
- £1
- Website
- Transport for Wales
- Phone
- 0345 646 0707
- Website
- First South & West Wales
Bus from The Flourish to Cardiff Bus Interchange Bay 1
- Ave. Duration
- 6 min
- Frequency
- Every 15 minutes
- Estimated price
- £3
- Website
- First South & West Wales
Bus from Cardiff Bus Interchange Bay 9 to Cardiff Bridge KR
- Ave. Duration
- 3 min
- Frequency
- Hourly
- Estimated price
- £3
- Website
- First South & West Wales
Bus from The Flourish to Cardiff Bus Interchange Bay 1
- Ave. Duration
- 6 min
- Frequency
- Every 15 minutes
- Estimated price
- £3
- Website
- First South & West Wales
Bus from Mount Stuart Square to Cardiff Bus Interchange Bay 1
- Ave. Duration
- 7 min
- Frequency
- Every 15 minutes
- Estimated price
- £3
- Website
- First South & West Wales
- Phone
- 029 2066 6444
- [email protected]
- Website
- Cardiff Bus
Bus from Cardiff Bus Interchange Bay 9 to Cardiff Bridge KR
- Ave. Duration
- 4 min
- Frequency
- Every 5 minutes
- Estimated price
- £2
- Website
- Cardiff Bus
- [email protected]
- Website
- Stagecoach South Wales
Bus from Cardiff Bus Interchange Bay 9 to Cardiff Bridge KR
- Ave. Duration
- 3 min
- Frequency
- Hourly
- Estimated price
- £1–3
- Website
- Stagecoach South Wales
- Ave. Duration
- 6 min
- Estimated price
- £7–9
Capital Cabs
- Phone
- +44 29 2077 7777
- Website
- capitalcabs.co.uk
Dragon Taxis
- Phone
- +44 2920 333 333
- Website
- dragontaxis.com
Taxi2Cardiff
- Phone
- +44 2921409607
- Website
- taxi2cardiff.com
Cabs64 of Penarth
- Phone
- +44 29 2070 64 64
- Website
- cabs64.co.uk
K-Tax Penarth
- Phone
- +44 29 2070 85 25
- Website
- ktaxpenarth.com
Windsor Cars
- Phone
- +44 29 2070 0799
- Website
- windsorcars-penarth.co.uk
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Booking & Getting There
Mermaid Quay to Cardiff Castle bus services, operated by First South & West Wales, arrive at Cardiff Bus Interchange Bay 1 station.
Mermaid Quay to Cardiff Castle train services, operated by Transport for Wales, arrive at Cardiff Queen Street station.
Book your Mermaid Quay to Cardiff Castle train tickets online with Omio.
There are 1759+ hotels available in Cardiff Castle.





