Who we are

Neilsen Mobile Marine Services
Trusted Mobile Marine Repair & Maintenance – Bringing the Shop to You

At Neilsen Marine, we are a team of highly trained, certified, and experienced marine repair specialists committed to keeping your vessel in peak operating condition. With decades of combined experience in the marine industry, we specialize in convenient, mobile, dockside repair services—delivering expert care directly to your location, whether you're at a marina, private dock, or moored offshore.

Our mission is simple: to provide reliable, efficient, and top-tier marine repair and maintenance services that ensure your time on the water is safe, enjoyable, and worry-free. We understand the value of your investment, which is why we approach each job with the precision, care, and attention to detail you expect from a professional-grade service provider.

Comprehensive Services Built Around Your Vessel’s Needs

Whether you're preparing for the season, experiencing performance issues, or looking for routine upkeep, Neilsen Marine offers a full spectrum of mobile marine services, including but not limited to:

Diagnostics & Troubleshooting

We begin every service with a thorough evaluation of your boat’s systems, tailored to the issues you've observed. Our state-of-the-art diagnostic tools and hands-on inspections allow us to accurately identify root causes and prevent unnecessary downtime or costly repairs.

  • Full-system diagnostic evaluations

  • Engine performance analysis

  • Electrical circuit testing

  • Fuel, cooling, and hydraulic system assessments

Engine Repairs & Repowers

From routine maintenance to complex overhauls, our technicians are experienced in servicing a wide range of outboard, inboard, and sterndrive engines—gasoline and diesel. We perform all repairs in accordance with manufacturer specifications using OEM or superior-grade components.

  • Tune-ups, oil & filter changes

  • Impeller and fuel pump replacements

  • Cylinder compression testing

  • Repower consulting and installations

Electrical System Services

Modern vessels depend heavily on properly functioning electrical systems. We troubleshoot and repair everything from navigation lights to advanced marine electronics and battery banks.

  • Battery testing, charging, and replacements

  • Shore power systems and circuit panel diagnostics

  • Navigation, lighting, and bilge pump repairs

  • GPS, sonar, VHF radio installations and troubleshooting

Routine Maintenance Packages

Preventive care is critical for maximizing the life of your boat. We offer scheduled maintenance plans tailored to your vessel's age, type, and usage to help prevent unexpected failures during the boating season.

  • Seasonal commissioning and decommissioning

  • Oil, gear lube, and filter services

  • Propeller and lower unit inspections

  • Zincs, anodes, and anti-corrosion system checks

  • Winterization and spring startup prep

Dockside Concierge Repairs

Avoid expensive haul-outs or transport delays. Our dockside concierge service allows us to perform most repairs while your vessel remains in the water. This premium service is ideal for busy boaters and includes:

  • On-site repairs at your dock or mooring

  • Reduced downtime and no lift fees

  • Fast, convenient scheduling and transparent pricing

  • Customer-first experience with white-glove care

Our Commitment to You

At Neilsen Marine, our core values—professionalism, transparency, and craftsmanship—drive everything we do. We believe that no two boats or boaters are alike, and we tailor every service to match your specific vessel and situation.

  • Clear Communication: We keep you informed every step of the way with detailed assessments and straightforward explanations.

  • Top-Quality Parts: We only use OEM or better components to ensure reliability and longevity.

  • Certified Expertise: Our technicians are experienced, certified, and passionate about marine performance.

  • Prompt Mobile Service: We bring the workshop to you—on schedule and on demand.

Let Us Get You Back on the Water

Boating should be about freedom, not frustration. Whether you need urgent repairs, seasonal prep, or routine maintenance, Neilsen Marine is your trusted partner for dependable mobile marine services.

Book your appointment today by calling or texting 920-808-3739.
When reaching out, please include:

  • Make and model of your vessel

  • Engine make and model

  • Type of service required

  • Your name, contact number, and email

  • Location of the vessel

At Neilsen Marine, we don’t just fix boats—we keep your journey afloat.