Career roadmap
How to Become a Deckhand
The education, training, certifications and steps it takes to start working as a deckhand, plus how long it takes and where the career can lead.
To become a deckhand: (1) get a TWIC card, (2) apply for a Merchant Mariner Credential, (3) complete basic safety training, (4) get hired as a deckhand, (5) advance. Most people need about 1–4 weeks. BLS lists “no formal educational credential” as the typical entry-level education.
5 steps to become a deckhand
Get a TWIC card
Apply through TSA.
Apply for a Merchant Mariner Credential
Pass a physical and drug test.
Complete basic safety training
Required for many seagoing jobs.
Get hired as a deckhand
Tug, towboat and ferry companies hire entry-level crew.
Advance
Earn AB, mate and captain credentials with sea time.
Education and training requirements
No formal education is required. Entry-level mariners need a Merchant Mariner Credential from the U.S. Coast Guard with an entry-level rating, a TWIC card, a drug test and, for seagoing vessels, STCW basic safety training.
| Typical entry-level education (BLS) | No formal educational credential |
|---|---|
| Related work experience | None |
| On-the-job training | Moderate-term on-the-job training |
| Typical training time | 1–4 weeks |
Certifications and licenses
- Merchant Mariner Credential (MMC): U.S. Coast Guard credential with an entry-level rating.
- TWIC card: Transportation Worker Identification Credential for secure areas.
- STCW Basic Safety Training: Required for many seagoing jobs.
- Able Seaman (AB) endorsement: An advanced rating earned with sea time and exams.
Skills to build now
Start with line handling and knots, watchstanding, and cargo securing, and practice teamwork and stamina. Learning the deckhand vocabulary early makes training and interviews easier.
Where the career can lead
- Deckhand or Ordinary Seaman: Handle lines and maintenance.
- Able Seaman or Lead Deckhand: Take on more responsibility.
- Mate: Stand navigation watches with a license.
- Captain: Command a vessel.
Get a head start
Our self-paced Deckhand training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.
Common questions about getting started
How long does it take to become a deckhand?
Most people need about 1–4 weeks of training. No formal education is required. Entry-level mariners need a Merchant Mariner Credential from the U.S. Coast Guard with an entry-level rating, a TWIC card, a drug test and, for seagoing vessels, STCW basic safety training.
Do you need a degree to be a deckhand?
No four-year degree is typically required. BLS lists “no formal educational credential” as the typical entry-level education, plus moderate-term on-the-job training.
What certifications are available for deckhands?
Common credentials include Merchant Mariner Credential (MMC), TWIC card, STCW Basic Safety Training, and Able Seaman (AB) endorsement. Mariners need a U.S. Coast Guard Merchant Mariner Credential, and seagoing jobs often require STCW training. Higher ratings and licenses require sea time and exams.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 53-5011 (Sailors and marine oilers).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Sailors and marine oilers (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.