Ocean-focused fund Propeller is a Boston-based venture fund (Fund I $118M) investing globally across early-stage startups with a strong ocean and sustainability orientation, presenting opportunities to partner with portfolio companies and co-investors aligned to maritime, energy, and environmental tech.

Early-stage portfolio With 29 investments from pre-seed to Series A and a focus on infrastructure, maritime, energy, data, robotics, and marine carbon removal, there are multiple potential use cases for collaboration, co-investment, and tailored funding programs that accelerate portfolio growth.

Founder-led network Propeller’s team comprises former entrepreneurs with deep founder and ocean-operator networks, offering warm introductions, strategic partnerships, pilot opportunities, and potential channel access to customers and markets for targeted solutions.

Recent activity Recent engagements include Climate Week convenings and a funding round for SuperGround Oy to scale alternative seafood, signaling active ecosystem engagement and potential collaboration with climate-tech, sustainability, and food-tech ventures.

Education and outreach The Ocean MBA program demonstrates Propeller’s emphasis on accelerating ocean-startups’ commercial capabilities, presenting opportunities to offer corporate partnerships, executive education, accelerator-type programs, and enterprise pilots for portfolio companies.