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Ocean Innovation: 13 Startups pioneering Enduring Solutions
A new cohort of startups, selected by katapult Ocean, are tackling critical challenges in ocean health and sustainability, ranging from plastic pollution to habitat restoration and innovative materials. This article details these companies and their approaches, as of October 3, 2025.
Katapult ocean’s latest Cohort
Katapult Ocean, an accelerator program focused on ocean-related startups, recently announced its latest cohort of 13 companies.According to a LinkedIn post from the accelerator, these companies are “addressing some of the most urgent challenges in ocean innovation” and represent Katapult Ocean’s “most technically advanced and commercially mature group of startups to date.” While the cohort is diverse, a notable focus emerges on leveraging marine resources for sustainable solutions.
Here’s a breakdown of each company and their respective innovations:
- Healthy Seaweed Co (Tanzania) aims to transform Tanzanian seaweed farming into a profitable and sustainable industry, focusing on value-added products and improved livelihoods for local farmers.
- Living ink Technologies (US) has developed a pigment that transforms discarded algae into a carbon-negative alternative to fossil-fuel-based carbon black. This offers a sustainable alternative for inks,coatings,and plastics.
- Archireef (Abu Dhabi) is developing 3D-printed tiles and panels to restore marine habitats, specifically coral reefs. These structures provide a substrate for coral growth and help rebuild damaged ecosystems.
- Clearbot (Hong Kong) is developing AI-guided, all-electric autonomous boats that use computer vision and GPS to collect floating debris. This technology offers a scalable solution for ocean cleanup.
- Notpla (UK) produces biodegradable packaging made from seaweed, offering an alternative to single-use plastics. Their products include edible water pouches and compostable packaging films.
- Safe City (Kenya) is developing a platform to monitor and prevent illegal fishing activities, using satellite data and machine learning.
- Sea-Avocado (Netherlands) is cultivating sea grapes (Caulerpa lentillifera) as a sustainable food source and a potential alternative to land-based agriculture.
- Oceanium (UK) is focused on developing sustainable aquaculture solutions, including seaweed farming and the cultivation of other marine species.
- PlanBlue (Germany) uses AI and underwater robotics to map and monitor marine ecosystems, providing data for conservation and management efforts.
- seafloor (US) is developing technology for mapping and surveying the seafloor,providing valuable data for various applications,including resource management and infrastructure development.
- The Ocean Cleanup (Netherlands) is deploying technologies to remove existing plastic pollution from the oceans and prevent further plastic from entering the marine habitat.
