Do You Need to be Physically Fit to Work in a Job at Sea?

If you’re thinking about a career in the merchant navy/marines, you might be wondering whether you need to be in peak physical shape to work in a job at sea. While it’s true that seafaring is a physically demanding job, the level of fitness needed depends on the specific rank and role you’re applying for.

Some positions require strength and endurance, while others rely more on technical skills, problem-solving, or hospitality ability.

So, do you need to be as fit as a professional athlete to work in a maritime job on a ship? Not necessarily. But you do need to meet certain medical and physical fitness standards to ensure you can safely do your job and assist in emergencies.

Read more: Do I Need to Be Good at STEM to Work in a Seafarer Job?

Let’s take a closer look at why physical fitness matters, which jobs require a high level of fitness, and which roles are less physically demanding while still requiring some level of capability.

Why physical fitness matters in maritime jobs at sea

Regardless of your role, if you work on a ship, you’ll be part of a close-knit team in an unpredictable environment. That means you need to be fit enough to handle the challenges of life at sea, which include:

• Emergency situations – Every crew member must be able to respond in an emergency, whether that means firefighting, launching lifeboats, or helping with medical evacuations.

• Long hours – Some roles require long shifts in physically demanding conditions, especially during rough weather.

• Climbing and lifting – Ships have steep staircases, heavy equipment, and confined spaces that require a certain level of mobility and strength.

• Balance and coordination – The motion of the ship means you need to be able to maintain balance while working, even in rough seas.

To make sure you’re fit for duty, all seafarers must pass a medical examination known as the ENG1 (or an equivalent medical certificate). This test ensures that you don’t have any health conditions that could put you or others at risk while working at sea.

Seafarer ranks that require a high level of fitness

Certain jobs on board require a strong level of physical fitness and endurance. These are usually the roles that involve manual labor, technical work, and emergency response duties.

1. Deck crew (Ordinary Seaman, Able Seaman, Bosun)

If you work on deck, you’ll spend a lot of time hauling ropes, handling cargo, securing loads, and maintaining the ship’s exterior. You’ll often be climbing ladders, moving heavy equipment, and working outdoors in various weather conditions.

Example: A deckhand on a cargo ship may need to secure containers, operate cranes, or help with mooring operations, which requires strength and stamina.

Read more: Everything You Need to Know About Bosun Jobs

2. Marine Engineers and engine room crew

The engine room is hot, noisy, and filled with heavy machinery. Marine Engineers and engine room ratings are responsible for maintaining engines, pumps, and electrical systems—which means a lot of lifting, bending, and maneuvering in tight spaces.

Example: A second engineer might need to replace a large piston inside an engine while the ship is rolling in rough seas.

3. Ship’s Cook and galley crew

You might not think of the kitchen as a physically demanding place but working in the galley on a ship can be exhausting. Preparing meals for dozens or even hundreds of people, standing for long hours, and working in a moving kitchen requires a good level of stamina and balance.

Example: A ship’s cook needs to carry heavy sacks of flour or pasta or lift large trays of food while keeping their balance in rough seas.

4. Emergency Response & Safety Officers

Every crew member is trained in basic firefighting and emergency procedures, but some officers are specifically responsible for safety and security on board. These roles require individuals who are physically fit enough to handle intense emergency situations.

Example: A safety officer may need to wear heavy firefighting gear, operate hoses, or help in evacuating passengers.

Seafarer jobs that are less physically demanding

While all crew members must be able to handle emergencies, not every job on board requires intense physical labor. Here are some roles that focus more on technical, administrative, or hospitality tasks.

1. Deck Officers (Third Officer, Second Officer, Chief Officer, Captain)

Deck officers spend much of their time on the bridge, navigating the ship, monitoring weather conditions, and planning voyages. While they may need to take part in emergency drills, their day-to-day duties are not as physically demanding as those of the deck crew.

Example: A Second Officer might spend a 6-hour watch at the helm, monitoring navigation systems and ensuring the ship stays on course.

Read more: Everything You Need to Know About Chief Officer Jobs

2. Radio Officer / IT Technician

Modern ships rely on advanced communication and IT systems, which need constant maintenance. A radio officer or IT specialist ensures that all onboard technology is working properly. These jobs are more mentally demanding than physically exhausting.

Example: An IT technician might troubleshoot network issues or update satellite communication systems from an office onboard.

3. Purser / Administration Staff

Many cruise ships and large commercial vessels have an administration team responsible for crew payroll, passenger bookings, and ship logistics. These roles are mainly desk-based, with minimal physical labor involved.

Example: A purser on a cruise ship might manage guest accounts, liaise with customs authorities, and ensure all financial transactions are recorded.

4. Housekeeping & Hotel Crew (on cruise ahips)

Working in housekeeping on a cruise ship or ferry involves keeping cabins clean, organizing linens, and helping passengers. While this job requires some physical movement, it’s less intense than deck work or engine room duties.

Example: A steward in charge of cleaning passenger rooms will do a lot of walking but won’t need to lift heavy machinery or work in extreme conditions.

How to physically prepare for a merchant navy career

If you’re considering joining the merchant navy/marines but are worried about your fitness levels, here’s what you can do:

• Stay active: You don’t need to be an athlete, but having basic fitness (good mobility, endurance, and strength) will help.

• Train for emergencies: Learn basic swimming, firefighting, and first aid, as these are key skills every seafarer needs.

• Eat well and sleep properly: Ship life can be physically and mentally tiring, so getting used to a healthy diet and ensuring good rest are essential.

• Pass the seafarer medical test: If you’re unsure about whether you meet the requirements, check the ENG1 medical exam (or equivalent in your country).

Read more: 12 Things To Know Before Embarking on a Maritime Career

Final thoughts: Do you need to be fit to work at sea?

The short answer is yes—but it depends on your seafarer rank or role. Some jobs in the maritime industry require high levels of physical strength and endurance, while others focus more on navigation, administration, or technical expertise. However, all seafarers must be fit enough to handle emergencies and adapt to life at sea.

If you’re considering a career in the merchant navy/marines, don’t let fitness concerns hold you back. With the right preparation, there’s a job at sea for everyone, whether you’re lifting heavy ropes on deck, managing ship logistics, or ensuring smooth communication between ports.

Are you (almost!) ready to set sail? Start preparing today, and you’ll be one step closer to an exciting career at sea!

And if you’re already working in a seafarer job and you’re looking for your next job at sea, take a look at Martide’s maritime job vacancies and see if we have the right career move for you.