OperationsMar 25, 2026
Dirty Hull: The Silent Enemy of Naval Efficiency
Understand how biofouling on the hull can increase fuel consumption by up to 40%, generate environmental fines, and compromise vessel safety.
10+Years of Experience
BrazilAll Ports
24/7Support
15+Services
Our Services
Complete solutions for maritime operations with excellence and punctuality.
CCTV / Onboard Monitoring
Our CCTV and onboard monitoring service provides continuous surveillance through Full HD cameras installed at strategic points on the vessel. The operation is supported by the Operational Control Center (CCO), which monitors images in real time and stores all recordings for later review. The system ensures full coverage, with high-quality footage available 24 hours a day, contributing to the security of the vessel, crew, and port operations.
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Liquid Waste Removal (Sludge & Slop)
We perform the removal of oily liquid waste (sludge and slop) generated aboard vessels, using certified hoses and tank trucks with specialized pumping systems. The entire process is carried out in compliance with the MARPOL 73/78 Convention, with disposal certificates and full traceability. We operate 24 hours a day, 7 days a week, ensuring agile service without impacting the vessel operational schedule.
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Spare Parts
Our spare parts service ensures the agile supply of essential parts and equipment for vessel maintenance. We manage the entire logistics process, from part identification to onboard delivery, focused on reducing vessel downtime. We rely on a network of approved suppliers and logistics infrastructure prepared for urgent deliveries, offering technical maintenance support and ensuring operations are not interrupted by missing components.
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Ship Mooring
We provide ship mooring and unmooring services at the ports of Santos, São Sebastião, and other ports. We operate with licensed crews and our own vessels, accredited with ANTAQ, the Brazilian Navy (MB), and Port Authorities. Our professionals are trained to operate safely in different port conditions, ensuring efficient execution of berthing and unberthing maneuvers.
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Preventive Booming
Our preventive booming service is focused on environmental protection in port operations, through the installation of containment barriers as a preventive measure to reduce the risk of waste dispersal or potential spills into the aquatic environment. We have a trained and qualified team for service execution, operating in alignment with the operational requirements of each location. Beyond preventive booming, we can support demands related to containment and environmental response, according to operational needs and availability.
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Tank Cleaning
We perform cleaning of cargo tanks, fuel tanks (bunker), ballast tanks, and other vessel compartments, including proper collection and disposal of all generated waste. Our procedures strictly comply with the MARPOL Convention and confined space safety standards, with issuance of cleaning and waste disposal certificates. We use specialized equipment and trained teams, ensuring operational safety and service quality.
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Hull Cleaning
Our hull cleaning service removes biological fouling (biofouling) that accumulates on the underwater surface of vessels. The presence of marine organisms increases hydrodynamic drag, raising fuel consumption by up to 40%. We operate with a certified team and specialized equipment, including waste collection in compliance with NORMAM-401, ensuring energy efficiency, environmental compliance, and protection against invasive species transfer between marine ecosystems.
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Solid Waste Removal
We perform the removal of solid waste generated aboard vessels, including domestic waste, plastics, metals, dunnage, galley waste, and other discarded materials. The entire process is carried out in compliance with the MARPOL 73/78 Convention (Annex V), with proper segregation, environmentally responsible disposal, and certificate issuance. Our commitment to sustainability ensures that waste is directed to recycling whenever possible.
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ROV Inspection
We perform underwater inspections using remotely operated vehicles (ROV) equipped with HD cameras, enabling detailed assessment of hull, propellers, rudder, sea chests, and other submerged structures with the vessel alongside or at anchor. The service can be performed even during vessel operations, minimizing downtime. We provide comprehensive technical reports with high-definition imagery.
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People Transport
We offer ground transport with a modern vehicle fleet to meet the needs for moving people, materials, and equipment in the context of port and maritime operations. Our service integrates transport logistics with other operations, ensuring punctuality, comfort, and safety. The fleet is composed of vehicles suitable for different demand profiles, from executive transport to vans for teams.
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Maritime People Transport
We perform maritime person transport using our own vessels and approved partners, focused on comfort and safety. The service is specialized for remote environments and operations requiring waterway displacement, such as transport of crew members, technicians, and teams to anchored vessels and hard-to-reach terminals. Our vessels are equipped with life jackets, radio communication, and meet all Brazilian Navy standards.
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K-9 Inspection
Our K-9 inspection service uses specially trained dogs for detection of drugs, explosives, and weapons on vessels and containers. Operations are conducted by certified handlers and meet ISPS Code requirements, contributing to the security of the maritime logistics chain. The service can be performed routinely or on demand, covering sweeps on ships, cargo holds, containers, and port facilities.
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Crew Transfer
Our crew change service offers complete support for crew changes at Brazilian ports. We handle all required documentation, coordination with the Federal Police (immigration), and the OK-To-Board process. We maintain hotel partnerships for crew accommodation in transit and provide a VIP lounge at Guarulhos airport for added comfort. Our service operates 24 hours a day, ensuring every step of the crew change is executed efficiently and on schedule.
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Port Support with Vessels
Our port support with vessels service provides boats for support operations in the port environment, contributing to cargo flow optimization and smooth port activity management. We rely on specialized infrastructure and experienced teams to meet demands for handling, waterway logistics, and maneuver support. The service is sized according to each operation need, ensuring flexibility and efficiency.
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Material Transport
We perform the transport of materials, equipment, and supplies by land, sea, and river, meeting the logistics demands of the maritime and port sector. We rely on a specialized fleet and approved partners to ensure materials reach their destination safely and on time. The entire operation is conducted in compliance with transport regulatory standards, including special cargo and customs documentation when required.
Learn MoreWhy Choose Arenna
Decades of experience serving the maritime industry.
Proven Experience
Over a decade delivering maritime services with international quality and safety standards.
All Ports in Brazil
We operate in all Brazilian ports, ensuring agility and proximity wherever your operation needs us.
24/7 Support
A dedicated team available around the clock to respond to your operational needs.
Insights & News
Stay up to date with the latest in the maritime sector.
TechnologyMar 18, 2026
Why Underwater ROV Inspection Is Essential for Your Vessel
Discover the advantages of ROV inspection: no dry docking, no diver risks, with high-definition imagery and reports accepted by classification societies.
OperationsMar 10, 2026
K-9 Canine Inspection: The Frontline of Port Security
How trained detection dogs are fundamental in detecting drugs, explosives, and illicit materials on ships, containers, and port cargo.
Careers
Work With Us
Join a team that is a benchmark in maritime logistics in Brazil. At Arenna, we value professionals committed to excellence, innovation and teamwork. If you are looking for growth in a dynamic and challenging industry, we want to meet you.
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