With 12 engaging modules, this self-paced online marine biology course is the perfect starting point if you want to learn about marine biology online before progressing to a professional degree. Designed for CPD purposes, it provides a strong foundation in the fascinating science of our oceans and the life within them, while allowing you to study at your own pace from anywhere in the world.
Certified by CPD
Exclusive access to our study group
Accredited
Learn from desktop, tablet, and mobile
12 modules
Download our learning app
Listen along with every module
Printed and PDF version of course available
Real-time support from our agents
Earn reward points
You’ll begin by exploring the origins of the ocean and how Earth’s waters formed, as well as the unique physical and chemical properties that make marine ecosystems possible. This accredited marine biology course also introduces the diverse range of life in our seas, from microscopic organisms that produce much of our planet’s oxygen to complex vertebrates such as fish (ichthyology), seabirds, reptiles (herpetology), and marine mammals.
Through self-paced lessons, you’ll discover:
The structure and function of marine ecosystems.
How populations and communities interact in the ocean.
Food webs and their influence on global productivity.
Adaptations that allow marine life to thrive in challenging environments.
By the end, you’ll be familiar with the vast biodiversity of the oceans and the roles each species plays in maintaining healthy marine systems.
This marine biology certification course also looks at the relationship between humans and the ocean, including overfishing, invasive species, and pollution. You’ll explore how climate change is altering marine habitats and what is being done to conserve these ecosystems for the future.
Upon completion of the course, you'll receive a diploma certificate in marine biology that you can use to showcase your achievement, support further learning, or add to your CV as evidence of your Continuing Professional Development (CPD).
This certified marine biology course is a fantastic first step in your learning, and is ideal for:
Expanding your personal knowledge of ocean science.
Gaining CPD hours in an environmental or educational field.
Building a knowledge base before enrolling in a formal degree programme.
Please Note: This online marine biology course is for educational and Continuing Professional Development (CPD) purposes only. It does not provide a professional qualification to work as a marine biologist. Always seek additional accredited study if you wish to enter the field professionally.

Upon successful completion of the course, you will have the option of printing your CPD accredited certificate.
This online marine biology course is ideal for anyone wanting to study marine biology online as a first step before pursuing a professional qualification or degree.
Nature enthusiasts interested in understanding marine ecosystems and wildlife.
Students exploring marine biology before committing to university study.
Divers, sailors, or ocean lovers who want to deepen their knowledge of marine life.
Conservation volunteers and advocates looking to expand their understanding of ocean protection.
Lifelong learners seeking an accredited CPD course to boost their CV or professional development.

Explore our student success stories to see how Centre of Excellence could change your life
Find out more








The determination and enthusiasm of our students never ceases to impress us and there is nothing better than seeing our graduates go on to succeed in further education, work, business or just life in general!

Marwan
Clinical Weight Loss Coach
Read Testimonial



Charlotte
Sensor Processing Disorder Awareness / Advanced Autism Awareness
Read Testimonial
Lydia
Health & Social Care & Children and Young People's Mental Health and Wellness
Read Testimonial

Arune
Depression Counsellor / Couples and Family Therapy / Relationship Psychology
Read Testimonial

Get instant access to our full library of courses and audio courses, plus entry to our Member Hub, exclusive benefits and member-only discounts.
Sign up today for our lock-in limited price of just £16.00 per month (billed annually)
Subscribe and SaveTake the time you need to decide! Start a course today and embark on a 14-day journey through our courses, backed by our money-back guarantee. If you discover the course isn't the right fit for you, our customer support team will ensure a friendly and fast refund process!