Title: St. Mary's in Castle | Expedia.co.uk [St. Mary's Hotels](https://expedia.co.uk/St-Marys-Hotels.0-l553248621532490416-0.Travel-Guide-Filter-Hotels)[St. Mary's Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-St-Marys.d553248621532490416.Car-Hire-Guide)[Castle Holidays](https://expedia.co.uk/Castle.d553248635216274708.Holidays-City-Breaks) # St. Mary's ## Visit St. Mary's Activities --- --- ## Plan a trip to see St. Mary's Price found within the past 48 hours. Click for updated prices. ![Holland House Hotel Cardiff By Sunday](https://images.trvl-media.com/lodging/2000000/1010000/1000800/1000753/21b4b435_y.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) ### Holland House Hotel Cardiff By Sunday Adamsdown £262 per person 3 May - 5 May found 1 day ago Return flight included Belfast (BFS) to Cardiff (CWL) 8/10 Very Good! (1,002 reviews) Lovely stay. Room was beautiful and staff were very welcoming. Arpit at the Spa was very helpful by giving us a tour on the first day and remembering that my son couldn’t swim and provided him with floats. Thankyou Reviewed on 6 Feb 2026 ![OYO Flagship Cardiff Central](https://images.trvl-media.com/lodging/12000000/11980000/11974300/11974291/9d0411c1_y.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) ### OYO Flagship Cardiff Central Riverside £265 per person 3 May - 5 May found 1 day ago Return flight included Belfast (BFS) to Cardiff (CWL) 7.6/10 Good! (78 reviews) The room was clean and everything was good. For the price it was really good value! Reviewed on 25 Jan 2026 ![Citrus Hotel Cardiff by Compass Hospitality](https://images.trvl-media.com/lodging/1000000/530000/520200/520199/58833cfd_y.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) ### Citrus Hotel Cardiff by Compass Hospitality Cardiff City Centre £263 per person 3 May - 5 May found 1 day ago Return flight included Belfast (BFS) to Cardiff (CWL) 7.6/10 Good! (574 reviews) ### Popular places to visit ![Plantasia showing a park](https://images.trvl-media.com/place/6086359/601536f2-b1e1-4377-90d1-ea5537c75c99.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Plantasia You probably wouldn’t expect to encounter tarantulas, macaws and endangered tamarin monkeys in a Swansea retail park, but visit the spectacular Plantasia, a public hothouse in Parc Tawe close to the city centre, and you’ll find these and much more besides. Easy to locate, as it’s housed in a unique glass pyramid, Plantasia has for a quarter of a century performed the vital function of raising awareness among locals and visitors about the level of rainforest destruction around the world, and the dangers of the consequent biodiversity loss. [](https://expedia.co.uk/Plantasia-Castle.d6086359.Attraction) ![National Waterfront Museum showing interior views](https://images.trvl-media.com/place/6086501/1497c7ba-ce32-42b3-8c43-a6c8581ddfb6.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### National Waterfront Museum Located in the trendy Maritime Quarter of Swansea, the National Waterfront Museum tells the story of industry and innovation in Wales over the last 300 years. As part of the European Route of Industrial Heritage this is a thematic element of a collection of the most important industrial heritage sites in Europe. Inside you’ll find enough to occupy you for hours, with the beautifully designed space offering a range of regional history exhibits marrying interactive media with traditional displays. [](https://expedia.co.uk/National-Waterfront-Museum-Castle.d6086501.Attraction) ![Grand Theatre featuring street scenes](https://images.trvl-media.com/place/6086361/8d3e3610-3b51-4655-8b68-72dce3701c0c.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Grand Theatre Swansea Grand Theatre is located on Singleton Street in the heart of the city of Swansea, Wales. This performing arts venue stages a host of plays, pantomimes, operas, stand-up performances and offerings from touring companies. [](https://expedia.co.uk/Grand-Theatre-Castle.d6086361.Attraction) #### Swansea Castle Swansea Castle is just one of the places to see in Swansea, so why not enjoy the other things to explore during your travels? Stroll along the area's seaside or simply savour its lively bars. [](https://expedia.co.uk/Swansea-Castle-Castle.d6086355.Attraction) #### Laserzone Catch an event at Laserzone during your trip to Swansea. Wander the area's marina or simply enjoy one of its lively bars. [](https://expedia.co.uk/Laserzone-Castle.d553248621555971102.Attraction) #### Swansea Market You can search for that perfect souvenir at Swansea Market during your visit to Swansea. Stroll along the area's marina or simply savour its lively bars. [](https://expedia.co.uk/Swansea-Market-Castle.d553248625384953937.Attraction) --- ## Top Hotel Deals ## Check availability on hotels close to St. Mary's [Tonight ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=2026-02-26&endDate=2026-02-27)[26 Feb - 27 Feb](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=2026-02-26&endDate=2026-02-27) [Tomorrow night ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=2026-02-27&endDate=2026-02-28)[27 Feb - 28 Feb](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=2026-02-27&endDate=2026-02-28) [This weekend ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=27%2F02%2F2026&endDate=01%2F03%2F2026)[27 Feb - 1 Mar](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=27%2F02%2F2026&endDate=01%2F03%2F2026) [Next weekend ](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=06%2F03%2F2026&endDate=08%2F03%2F2026)[6 Mar - 8 Mar](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=553248621532490416&startDate=06%2F03%2F2026&endDate=08%2F03%2F2026) ![Delta Hotels by Marriott Swansea](https://images.trvl-media.com/lodging/1000000/10000/1300/1290/07fead22_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Delta Hotels by Marriott Swansea Maritime Quarter Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-Swansea-Marriott-Hotel.h1290.Hotel-Information) ![The Grand Hotel Swansea](https://images.trvl-media.com/lodging/2000000/1190000/1189900/1189828/666583d3_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### The Grand Hotel Swansea Ivey Place High Street Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-The-Grand-Hotel-Swansea.h1189828.Hotel-Information) ![Village Hotel Swansea](https://images.trvl-media.com/lodging/2000000/1580000/1573900/1573880/defd431a_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Village Hotel Swansea Langdon Road Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-Village-Hotel-Swansea.h1573880.Hotel-Information) ![Morgans Hotel](https://images.trvl-media.com/lodging/9000000/8980000/8970400/8970360/bf3c0287_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Morgans Hotel Somerset Place Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-Morgans-Hotel.h8970360.Hotel-Information) ![The Dolphin SA1 Hotel](https://images.trvl-media.com/lodging/1000000/80000/71700/71639/64af5782_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### The Dolphin SA1 Hotel Whitehalls Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-The-Dolphin-SA1-Hotel.h71639.Hotel-Information) ![The Dragon Hotel](https://images.trvl-media.com/lodging/2000000/1190000/1184900/1184873/09c9e5cb_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### The Dragon Hotel The Kingsway Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-The-Dragon-Hotel.h1184873.Hotel-Information) ![Cwtsh Hostel](https://images.trvl-media.com/lodging/67000000/66540000/66532200/66532172/1347d79f_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Cwtsh Hostel Castle St Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-Cwtsh-Hostel.h66532172.Hotel-Information) ![The Georgian Swansea](https://images.trvl-media.com/lodging/104000000/103660000/103655700/103655691/1a067b45_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### The Georgian Swansea 2-3 Prospect Place Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-The-Georgian-Swansea.h103655691.Hotel-Information) ![Princess Lofts 1 - 1 Bedroom Studio - Swansea](https://images.trvl-media.com/lodging/123000000/122290000/122280200/122280111/93ca2109_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Princess Lofts 1 - 1 Bedroom Studio - Swansea 1 Princess Lofts, Princess Way Swansea Wales [](https://expedia.co.uk/Swansea-Hotels-Princess-Lofts-1-1-Bedroom-Studio-Swansea.h122280111.Hotel-Information) [See all 1,048 properties in St. Mary's](https://expedia.co.uk/Hotel-Search?rfrrid=TG.LP.Hotels.Package®ionId=553248621532490416) Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=DX_POI_Spring_PROMO_553248621532490416)