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Aquabus provides a waterbus service between Mermaid Quay and Cardiff Castle in the city centre via Penarth. With state-of-the-art technology and GPRS tracking, the 24-seat Hyrdo 1 is a fun, fast, reliable alternative way to travel around Cardiff.

The Aquabus runs from the Castle grounds to Mermaid Quay every hour on the hour, 11.00am to 5.00pm and from Mermaid Quay to the city at half past the hour, 10.30am to 4.30pm.

The bus has full wheelchair access, as well as level access for infirm or elderly passengers, with no steps to negotiate.

More information regarding the service and timetables visit

Aquabus also cater for private charters and parties on our hospitality boat “Seren-y-bae”. Every event we host is bespoke to the needs of the client. Some of the options include Drinks packages, fantastic buffets, champagne receptions and live music / entertainment.  So why not give us a call and book a truly unforgettable party with a wholly impressive backdrop of Cardiff Bay?

Seasonal sightseeing cruises are available on our newest 100 seater from Mermaid Quay, usually leaving on the hour from 11.00am to 4.00pm.