The average marine biologist salary in the UK is around £31,000 a year, ranging from roughly £25,000 for entry-level to £40,000+ for experienced marine biologists.
The role of a Marine Biologist is both essential and highly rewarding. With the growing need to understand and protect marine ecosystems, skilled marine biologists are in constant demand. Whether conducting groundbreaking research on marine life in coastal laboratories, contributing to conservation projects in Manchester-based organizations, or advising sustainable practices for industries in Edinburgh, professionals in this field enjoy strong career prospects and the opportunity to make a significant impact on environmental health, biodiversity, and the future of our oceans.
Marine Biologist salary
Base pay £25K – £40K/yr
£31K/yr average base pay
The estimated salary for a Marine Biologist is £31,339 per year. This number represents the median, which is the midpoint of the ranges from our proprietary Total Pay Estimate model and based on salaries collected from our users. The “Most Likely Range” represents values that exist within the 25th and 75th percentile of all pay data available for this role.
What do Marine Biologist earn
How much does a Marine Biologist make in United Kingdom?
£33,230/yr
Marine biologist salary by experience in the UK
| Experience | Salary |
| Entry | £25,000–£31,000 |
| Mid | £31,000–£35,000 |
| Senior | £40,000+ |
Marine biologist pay in the UK depends heavily on sector: academic research and conservation roles tend to pay less than industry, environmental consultancy, or offshore energy work. Years of experience, postgraduate qualifications, and whether the role involves fieldwork or research all affect where someone lands in this range.
Highest paying cities for Marine Biologist near United Kingdom
- Aberdeen
£46,043 per year6 salaries reported - Southampton
£39,379 per year5 salaries reported - Plymouth
£37,983 per year6 salaries reported - Cambridge
£28,609 per year5 salaries reported
How to Become a Marine Biologist in the UK
Most marine biology roles require a BSc in Marine Biology or a related science (3 years), with many research and specialist positions preferring an MSc or PhD on top. Key UK employers include the Environment Agency, CEFAS, the Marine Conservation Society, and university research departments. Diving certifications (like PADI) and fieldwork experience are highly valued and can set candidates apart in a competitive job market.
See how this compares to other science careers with Debut’s Paycheck Calculator.
FAQs About Marine Biologist Salaries
Do I need a Master’s degree to work as a marine biologist in the UK?
Not always for entry-level roles, but many research positions and career progression opportunities favour or require an MSc or PhD.
What organisations hire marine biologists in the UK?
Common employers include the Environment Agency, CEFAS, the Marine Conservation Society, aquariums, and university research departments.
Is marine biology a competitive field to enter in the UK?
Yes — entry-level roles can be competitive, so fieldwork experience, volunteering, and diving certifications like PADI meaningfully improve job prospects.
