Marine Mechanic Salary in St. Louis, MO (2025)

Marine Mechanic salaries in Missouri vary based on experience, certifications, and whether you work union or non-union. Entry-level marine mechanics typically earn around 60-70% of the median wage, while experienced professionals and those with master-level credentials can earn 25-50% above the median.

Entry-level marine mechanics in Missouri typically start at the lower end of the pay range, which reflects apprentice or helper-level positions. As you gain experience and complete your training program, your pay increases significantly within the first 2-3 years.

Yes. Union marine mechanics earn 15-30% more per hour on average than their non-union counterparts. When you factor in benefits like pensions, healthcare, and annuity contributions, the total compensation gap is even wider. However, union availability varies significantly by region.

The path to becoming a fully qualified marine mechanic depends on the route you take. Apprenticeship programs typically last 3-5 years and combine on-the-job training with classroom instruction. Trade school programs can be completed in 6-24 months, though you will still need field experience to reach journeyman level.

Marine Mechanic work offers solid pay, strong job security, and doesn't require a four-year degree. The Missouri job outlook shows steady demand, and the ongoing skilled labor shortage means qualified marine mechanics have strong bargaining power. The work can be physically demanding, but many professionals find the trade rewarding and well-compensated.

Certifications can significantly boost a marine mechanic's earning potential. Industry-recognized credentials, advanced specializations, and safety certifications all help you stand out to employers and command higher hourly rates. Master-level licenses typically result in the biggest pay increases.

Major metropolitan areas in Missouri tend to pay marine mechanics 5-15% above the state average due to higher cost of living and greater demand. Check our city-level salary data for specific figures in your area.