Heavy Seas

At Heavy Seas, we are a full-service marine company based in Palma de Mallorca, specializing in the refit and maintenance of boats and superyachts.

Founded in 2011 with just four people, we have grown to become a leader in the sector in the Balearic Islands, with a permanent team of more than 35 professionals and over 100 years of combined experience in the marine industry.

Our philosophy is simple: one provider, one point of contact, for the entire project. Forget about coordinating multiple companies. We handle everything under one roof, reducing costs and saving time.

Our services include:

Naval engineering — official service center and authorized dealers for Volvo Penta, Mercury, Mariner, Mercruiser, Yanmar, and Humphree stabilizers

Marine upholstery — manufacturing and repair of interior and exterior upholstery, with fast turnaround times

Industrial refrigeration — installation and maintenance of onboard refrigeration systems

Composites and fiberglass — structural repairs and work on composite materials Antifouling and painting — hull treatments and high-quality finishes through our specialized Hull Pro division

Metalwork — fabrication and repair of metal structures and parts

RIBs and inflatables — maintenance and repair of auxiliary vessels, including official Castoldi service

Boat storage — secure storage and custody with full guarantees

Custom fabrication — development of custom parts and solutions for each project

Certified to ISO 9001 and ISO 14001 standards, we guarantee the highest standards of quality and environmental management in every project.