- fisheries
- marine aquaculture products and services
- sustainable seafood production processing solutions/technologies
- blue technologies
- maritime and marine governance and services
- marine biotechnology
- maritime transport and logistic services
- maritime services & shipbuilding
- intermodal transport systems
- intermodal connections of cities and hinterland
- green public transport solutions for connected cities
- smart IoT connected cities
- energy efficient networks
- sustainable energy market solutions & technologies
- river and sea renewable energy solutions & technologies
- marine and coastal environment services & solutions
- services and solutions to halt the loss of marine & terrestrial biodiversity
- protection of natural habitats
- water management
- water supply technologies and desalination solutions
- protection of natural water sources and alternative water technologies
- solutions and technologies to prevent pollution of the sea and rivers
- new technology solutions for polluted sites, seas & soils
- early warning solutions and prevention against fires and floods
- smart management solutions for the coastal infrastructure in case of extreme events
- new technologies and solutions for tourism in COVID-19 and post post-COVID-19 period
- digitalization solutions and services for tourism
- tourism 4.0
- sustainable green tourism in coastal areas or hinterlands
- gastronomy tourism
- HORECA services
- health and wellness tourism
- adventurous and outdoor tourism
- cultural and heritage-related tourism
- touristic agencies and new touristic products & services
- innovative touristic accommodation facilities
- green and sustainable-oriented hotels
- touristic providers (touristic products and services)
