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Premium Boat & Yacht Servicing in Mallorca
At Heavy Seas, we specialise in premium marine services in Mallorca, offering comprehensive technical solutions for all types of vessels, from yachts and superyachts to RIBs and inflatables.
With over 30 years of experience in the marine industry, we deliver high-precision workmanship, technical expertise and fully customised marine solutions focused on performance, safety and long-term reliability.
Operating from four strategic facilities in Mallorca, we also provide mobile marine services across Spain and Europe, working directly in shipyards, marinas and ports to ensure maximum efficiency and minimal downtime for your vessel.

Marine Engineering
We provide marine engineering services in Mallorca for yachts and superyachts, specialising in engine diagnostics, maintenance, repairs and repowering. As authorised Volvo Penta, Mercury and Yanmar service providers, we ensure safe, reliable vessel performance.

Yacht Refit
We provide comprehensive yacht refit services in Mallorca, covering structural, technical and aesthetic upgrades for yachts and vessels. Our team manages mechanical, electrical, hull, painting and interior works to improve performance, functionality and onboard comfort.

Nautical Upholstery
We provide bespoke yacht upholstery services in Mallorca for yachts, boats and RIBs, using premium marine-grade materials to ensure comfort, durability and refined onboard finishes.

Air Conditioning
Professional marine HVAC services in Mallorca for yachts, superyachts and boats, covering air conditioning and refrigeration installation, maintenance and repair, with 24/7 support and expertise in Dometic, Condaria, Webasto and Frigomar systems.

RIBs & Inflatable Boats
Professional RIB and inflatable boat services in Mallorca, including structural repairs, tube replacement, restoration, accessory installation and secure storage solutions to protect your vessel year-round.

Composites & Fiberglass
We provide fiberglass repair, gelcoat restoration and carbon composite services for boats and yachts in Mallorca, ensuring structural integrity, durability and high-end marine finishes.

Antifouling & Painting
Antifouling and hull painting in Mallorca for all hull types, protecting vessels from marine growth while improving performance and durability.

Metalwork
Precision marine metalwork in Mallorca, including welding, stainless steel structures, bow thrusters, railings, fenders and custom fittings for durable onboard performance.

Custom Fabrication
We deliver custom marine fabrication solutions for both interiors and exteriors, including fenders, covers, thermal protections and bespoke luxury accessories.
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Marine Engineering
Official distributors
Official Marine Brands & Technical Service
We are an authorised technical service and official distributor for leading marine brands including Volvo Penta, Mercury, Yanmar and Castoldi Jet Tenders.
This ensures warranty-compliant service, genuine spare parts availability and We guarantee warranty-compliant service, genuine spare parts and manufacturer-approved technical support for all engines and systems, guaranteeing maximum reliability, safety and performance for every vessel.
Why Heavy Seas
How We Work
Our working process is based on transparency, technical excellence. Every marine project in Mallorca, whether boat repair, yacht maintenance or full refit, follows a structured workflow designed to ensure precision and reliability.
Contact & Quotation Request
Get in touch with us and tell us about your project. We gather all the necessary information to understand your needs, vessel type and technical requirements.
Professional Assessment & Detailed Quotation
Within 3–5 days, we carry out a full marine assessment of your vessel and provide a clear and transparent quotation. All steps, materials and timelines are detailed in advance, with no hidden costs.
Planning & Coordination
Every project is carefully planned to ensure technicians, materials and equipment are available at the right time. We coordinate all marine services to maximise efficiency and minimise vessel downtime.
Execution with Continuous Communication
During the execution of the project, you remain in constant contact with a Heavy Seas representative. You receive regular updates, including photos and videos, ensuring full visibility of the boat repair or yacht service process.
Quality Control & Final Delivery
Before delivery, every detail is carefully reviewed by our expert team. We ensure your vessel meets the highest standards of quality, safety, and aesthetics, ready to set sail with complete peace of mind.
Post-Project Support
Our commitment continues after completion. We provide ongoing technical support and follow-up for any maintenance or adjustments, ensuring long-term performance and reliability of your vessel.