Under the Sea H-Frame Bouncy Castle Hire – Ideal for Low Ceiling Indoor Venues
Colourful Ocean Artwork
Features friendly fish, bubbles, and sea creatures.
Low-Height Design
Perfect for smaller indoor venues or halls.
Planning a party in a hall with limited ceiling height? The Under the Sea H-Frame Bouncy Castle brings the excitement of the ocean indoors! With bright aquatic graphics and a safe, compact H-frame design, this inflatable is ideal for smaller venues and young children aged 2–8.
Decorated with friendly sea creatures, coral reefs, and bubbles, it creates a vibrant underwater theme that makes every event magical. Perfect for indoor school events, birthday parties, and community centre celebrations across Carmarthenshire, Ceredigion, Pembrokeshire, and South Wales.
- Under the Sea H-Frame Inflatable Bouncy Castle
- Safety mats, blower and ground pegs
- Delivery, setup and collection by trained staff
- PIPA certification and £5M Public Liability Insurance
- Risk assessment & safety briefing upon delivery
Dimensions: 12ft (L) × 12ft (W) × 8ft (H)
Setup Area: 15ft × 15ft
Setup Time: 15–20 minutes
Power: Standard 13A socket within 25m
Design: Vibrant ocean graphics with integrated rain cover
- Perfect for children aged 2–8
- Suitable for indoor use in low-height halls
- Can also be used outdoors on grass (weather permitting)
- Great for ocean, mermaid, or undersea party themes
⭐ Happy Customer:
“Absolutely loved this sea-themed castle! Fit perfectly in our village hall and the kids had a brilliant time!”
— Sian Edwards, Tenby
Under the Sea Bouncy Castle Hire Across Wales
This underwater-themed inflatable is perfect for ocean or mermaid parties. Its low height fits most indoor venues while offering bright, colourful artwork and hours of fun for younger children. Our team delivers, installs and safety checks everything to ensure your event goes smoothly.
Safe, Clean & Reliable
Every castle from Fun Hire Wales is PIPA tested, BS EN14960 compliant, fully insured and cleaned before every hire. Our dedicated team provides setup, inspection and advice for safe, worry-free entertainment.
Party Add-Ons & Extras
- Candy Floss, Popcorn & Slushy Machine Hire
- Giant Garden Games Hire
- Ocean-Themed Soft Play Hire
- Rodeo Bull or Sheep Hire
If you require BBQ or hog roast catering, visit Hoggets Hog Roasts Wales.
Delivery Areas
Available for hire across Pembrokeshire, Carmarthenshire, Ceredigion, Swansea, Neath, Llanelli, Bridgend, Cardiff and surrounding areas.
📞 Call 01559 318113 or email
Suitable Similar Themed Inflatables
Explore these other fun and colourful inflatables that pair perfectly with our Under the Sea theme:
Dinosaur H-Frame Castle
Great low-height indoor inflatable for halls and toddlers.
Pirate Castle Hire
Bring swashbuckling fun to your party!
Dragons & Knights Castle
Perfect for medieval or fantasy themed events.
⭐ Why Hire From Fun Hire Wales?
- ✅ 15 years of experience in the inflatable play industry across Wales.
- 🌊 We guarantee quality equipment with regular testing and annual stock rotation.
- 🎈 Over 100 inflatables available to hire across West & South Wales.
- 🛡️ £5 Million Public Liability Insurance for total peace of mind.
- 👷♂️ £10 Million Employer’s Liability Cover – fully compliant and insured.
- ⚡ All electrical items PAT-tested in line with HSE PUWER regulations.
- 📜 All inflatables BS EN 14960:2013 certified under the PIPA/RPII testing scheme.
- 📄 Item-specific risk assessments and method statements available for all hires.
- 📅 We operate 7 days a week with a full-time professional hire team.
- 👨🔧 Trained, uniformed staff ensure safe delivery, setup & removal.
- 💼 Full-time business – not weekend-only operators, ensuring reliability.
