||The Aquatic Greenhouse is an aquatic-agriculture system, capable to improve food security on disadvantaged tropical islands and coastal areas.Small scale agriculture farmers are in the focus of impact investments, called the 'small scale millions' while recognizing the enormous global production and entrepreneurship potential. It is based on the complementary supply of nutrients from different species of freshwater fish, vegetables, herbs or ornamental plants to each other. Combined seawater/ freshwater systems can produce freshwater species as well as marine fin-fish, seaweed, shrimp or mussels. The modular system targets to develop livelihoods in remote landscapes, particular on small tropical islands. To complete the training and business demonstration & Station, and to establish and commercialize a franchise system for rural small scale entrepreneurs, matching finance is needed.