Each quarterly issue is published online in open access, flipbook format, making it accessible to anyone, anywhere in the world at no charge. Readers include private sector companies; academic and research institutions, including libraries; government departments and agencies; industry regulators; and oceans-related associations and organizations.

Readership statistics change slightly with each published issue, depending on the theme. On average, each issue is read in 42 countries across six continents (not Antarctica). Each issue is read – again on average – 658 times from within these 42 countries.


To provide beneficial exposure for our advertisers, we accept a limited number of targeted advertisements. Please download our rate card for pricing information.

Why advertise?

  • Promote your product or service to targeted audience of users and developers of ocean technology as well as policy-makers and regulators
  • Discounted rates are available for multiple issue advertisers
  • Book an advert and receive three social media posts: one on Twitter, one on Instagram, one on LinkedIn
  • Options include inside covers, full page, half page, quarter page, and banner on JOT website

Themes and booking deadlines

V19N2 (Summer 2024) – Deep (Ocean) Learning

Booking deadline: May 17, 2024

V19N3 (Fall 2024) – Sensing the Ocean: Lights, Cameras, Sensors

Booking deadline: August 16, 2024

V19N4 (Winter 2024) – Safety First: Humans at Sea

Booking deadline: November 15, 2024


For advertising rates and other information, please email