All challenges

BRE04: "Voice in the Blue" Real-time speech annotation of diver-recorded underwater video.

Brest

The goal is to develop an automatic annotation algorithm for underwater data. We envision the following steps in the challenge:
1. Handling the video data
2. Creating audio data associated with the...

BRE05 Seabream or not seabream?

Brest

Evaluation of existing data augmentation strategies available Comparison of different AI approaches and models. Integration or experimentation with open-source tools such as VIAME, DIVE, LitDet, ...

BRE05: FishOp: Fishing Smart for Healthy Oceans Project ?

Brest

A mobile application prototype that integrates satellite data (from Copernicus and complementary sources) and provides real-time, simplified marine information (weather, currents, zones, alerts) for ...

BRE08 Thalatossa

Brest

A short prototype for a video game.

BRE10 ONDEx (ONEM Data Explorer) - A tool to browse ONEM (French National Observatory of Offshore Wind ) datasets

Brest

An interactive tool to visualize data (shiny app)

BRE14: Recharge Your Beach! Mapping to Anticipate

Brest

Over the 48 hours, we aim to develop a prototype that combines an algorithm, a map interface, and a database to detect and visualize beach nourishment operations. The algorithm will analyze satellite...

BRE15: Aquastruct!

Brest

A basic yet interactive user interface coupled with an API, which can take in selected underwater images together and output a 3D reconstruction of the asset.

CAD01: Cádiz Waste Challenge: Plastic, Urban & Industrial Streams in Overtourism

Over the 48 hours, our goal is to design, build, and test a working prototype of a modular, city-ready waste collection and sorting unit that can handle seasonal waste surges caused by overtourism. ...

CAD02: SALTWATCH

Geographical Information System

CAD03: Impact of a potential oil spill on Cadiz coast

An information system reflecting or modelling the potential impact of an oil spill on the Cadiz Coast

CAD04: Circular economy port project with cleaning and obtaining biofuels from Marpol oils and oil spills on land and at sea

I would like to get a tool (a method, an application, or a system), which allows EU authorities and interested citizens to quickly and efficiently learn about environmentally friendly disruptive ...

CAD06: Platform to control IA and data into the sea in a sustainable way

Leadership, knowledge in marine science, IA in relation to that

CAP02: LoCo for Ocean Impact!

A visual interface or dashboard that shows ROV sensor data meaningfully (e.g., map overlays, time graphs, alerts)

CAP03: Where’s my MPA? Building awareness and ownership of marine conservation areas in the WIO

Mobile and web application that includes a data visualization and mapping component (similar to FishSmart app of the NSW government)

CHE07 - One Ocean-One Life (O3Life): Empowering Coastal Communities for a Sustainable Blue Future

Chennai

During the 48-hour hackathon, the team has to develop a mobile-friendly digital platform and interactive citizen science tool called O3L (One Ocean • One Life).
The prototype will focus on marine ...

KUL01 - AquaTrace: Autonomous IoT Vessel for Real-Time Coastal Pollution Detection and Source Localization

Kuala Lumpur

Over the 48-hour hackathon, we aim to develop a working prototype of AquaTrace, an IoT-enabled mobile water quality monitoring system.

We will build a small-scale autonomous or semi-autonomous ...

KUL01: IslandEnergyAI: Federated Generative AI-based Electricity Forecasting with Data Security for Islands

Kuala Lumpur

We aim to develop a secure, AI-powered digital framework for island microgrids: a prototype energy forecasting dashboard that combines machine learning-based Generative AI with AES-HMAC cryptographic...

KUL02 - Predicting Marine Debris Hotspots Using Oceanographic Data for Smarter Coastal Cleanup and Conservation

Kuala Lumpur

The team will develop a functional prototype consisting of:

Interactive web-based dashboard
Marine debris hotspot prediction map
Environmental data integration engine
Coastal vulnerability ...

KUL02: Developing a Digital Framework for Terengganu Turtle Tourism Based on ESG Principles

Kuala Lumpur

We aim to develop a mobile application that ethically promotes all sea turtle-related tourism products while enabling real-time monitoring of community impact.

KUL04 - The Great Mackerel Mystery: Is Climate Change Changing Our Fisheries?

Kuala Lumpur

To develop a digital or interactive tool or information system

KUL04: Turning Reef Footage into Ecological Insights

Kuala Lumpur

To develop a software or app that automatically calculates the relative abundance (MaxN) of each species directly from uploaded underwater videos

KUL05 - SeaFix: Crowd-Sourced Coastal Incident & Triage Platform

Kuala Lumpur

I will build a webpage for reporting ocean trash with photos and GPS, connected directly to a live tracking map prototype built in Google Studio.

KUL05: An AI-Powered Microplastics Scanner for Food, Cosmetics, and Consumer Safety

Kuala Lumpur

A minimum viable product is the ultimate goal, but if time is a huge constraint, it would just be a prototype with sufficient backup on its implementation

KUL06 - Blue Carbon Sentinel: Autonomous Swarm-to-Satellite Edge AI Mangrove Restoration Network

Kuala Lumpur

Over the 48-hour hackathon, our team will develop a working Digital Twin MVP (Minimum Viable Product) consisting of three core technical components:

The Predictive Data Engine (Backend & ...

KUL07 - TheDeep: AI-Powered Navigation for Sustainable Oceans

Kuala Lumpur

A web-based interactive mapping platform for Malaysian fisheries with machine learning model.

KUL07: ReefReflections: Visualising and Documenting Coral Health Through AI-Powered Coral Recognition

Kuala Lumpur

- Upload underwater images of coral reefs (taken via smartphones or cameras).
- Use AI-based image recognition to detect and annotate coral health indicators (e.g., bleaching, algae, ...

KUL08 - AlgaWatch : AI-Powered Algal Bloom Prediction System

Kuala Lumpur

A functional predictive system that leverage the uses of open marine data from different sources, combine with an agentic system that help in decision supports and help user to navigate easily on the...

KUL08: Sea-Ya Trash

Kuala Lumpur

Over the 48 hours, we aim to develop a real-time, interactive web dashboard that connects with our AI-powered floating Seabin prototype. The platform will visualize trash detection results, sensor ...

KUL09: Corallius: Autonomous Coral Planting to Facilitate Coral Restoration

Kuala Lumpur

The coral planting device prototype and an application or website/dashboard

KUL10: reefSpark: Lighting Up Hidden Reef Signals Through Data and AI

Kuala Lumpur

1. A web-based dashboard showing historical analysis of ocean data; live monitoring of artificially mimicked data (to replicate as the data coming from reefSpark drone stack) and health scores of the...

OLH02 - GhostNet: Mapping and preventing ghost fishing hotspots

Olhão

Participants will develop a prototype digital solution capable of identifying, visualizing and predicting areas with a higher probability of ghost fishing gear accumulation.
Depending on the team's ...

PEN02 - Lagoa Risk Radar - data-driven early warning for coastal lagoon health and local blue economy

Peniche

We want to develop a working decision-support prototype for coastal lagoon risk monitoring.

The prototype will combine open marine, weather, tide, rainfall, satellite and official ...

PEN03 - Show Me the Beach. I'll Show You the Source.

Peniche

Over the 48 hours we will build a working proof-of-concept of the MARÉ platform — an interactive web prototype backed by a real data-processing pipeline that demonstrates the full forensic ...

PEN03: Tracking Marine Biodiversity: An Interactive Genomics Explorer for Europe

Peniche

We aim to prototype an interactive online platform (web dashboard) that:
- Geolocates marine species observed through EMO BON
- Enables temporal and spatial filtering of biodiversity indices
- ...

PEN04: From Sea to Dish - Intelligent Traceability for a Sustainable Ocean

Peniche

Design an intuitive and engaging prototype (app, website, QR code system, digital panel, or other innovative solution) that reveals the complete journey of seafood products - from harvest to table. ...

PEN05 - AquaLab: Real-Time Water Quality Monitoring Platform with Aquatic Drones

Peniche

We will build a complete water quality monitoring system from scratch.

Over 48 hours, the team will:
(1) Assemble and integrate sensors (pH, temperature, turbidity, etc.) with ESP32 ...

PTN01: Whale Tail Identifier

Develop an application that uses images or sensor data to accurately identify and analyze whale tails, supporting research and conservation efforts.

PTN02: Plastic and Net Debris Locator

Create engaging digital experiences—such as mobile apps or interactive games—that raise public awareness about ocean preservation and inspire sustainable behavior.

RIM01: "Cloud or snow? — Revolutionising cloud detection in the Arctic with satellites! / Nuage ou neige? — Révolutionner la détection de nuages dans l’Arctique avec des satellites!"

We aim to develop a robust and playful algorithm that can reliably distinguish clouds from snow and ice in Sentinel-2 images of polar regions. This will include:

- A trained machine learning model...

SAL02 - The Port of Tomorrow – Clean Logistics and Sustainability in the All Saints Bay

Salvador

The focus is to find innovative ways (whether optimization platforms, gamified operational processes, or service design) to scale the logistical and environmental efficiency of port operations ...

SAL02: Blue Carbon: Exploring the Potential of Coastal Ecosystems for Climate Mitigation and the Bioeconomy

Salvador

SAL03 - Plastic Tsunami – The Power of the Community in the Fight for a Clean Ocean

Salvador

The challenge invites teams to develop creative models of circularity, nature-based solutions (like new biomaterials), traceability apps, or social businesses that value local waste-picker ...

SAL03: New Sea Routes: Monitoring and Forecasting the Migration of Marine Species in Coastal Environments

Salvador

AI prototype for recognising and monitoring marine species through images, cross-referencing environmental data.

SAL04 - Blue Cities – Preparing the coast of Salvador and Our Communities for Climate Change

Salvador

The challenge seeks solutions to elevate the Bahian capital's response capacity to coastal vulnerabilities, engaging the population in self-defense and the planning of their own territory.

SAL04: "Balance of the Sea: Developing Digital Strategies for Monitoring and Mitigating Ocean Acidification "

Salvador

I want to see the feasibility and make the first prototype on a reduced scale to present the model not only of the limestone sculpture but of a functional IOT model.

SAL05 - Wisdom of the Waters – Valorization, Fair Trade, and the Future of Those Who Live from the Sea

Salvador

The challenge asks for proposals that structure "Fair Trade" networks, promoting the strengthening of ocean culture, heritage education, and traditional knowledge as instruments of sustainable ...

SAL05: Plastic Tide: Innovating to Protect Traditional Coastal Communities in Salvador from Marine Pollution

Salvador

In 48 hours, I plan to develop an integrated digital platform that combines real-time monitoring of plastic pollution in Tainheiros Cove, coordinated community clean-up actions, and engagement tools ...

SAL06 - Foundation for the Future – Ocean Literacy and Education in Bahia Schools

Salvador

Proposals can include digital tools, gamified educational platforms, participatory methodologies for integration with nature, or communication and art strategies that expand engagement and the ...

SAL06: Beach Benefit: Marketing for Cleaner Shores

Salvador

We aim to develop a digital interactive tool that combines beach cleaning with brand engagement. The project will involve a network of branded collection nets placed on beaches, where each net is ...

SCT02 - Rebuilding the Sea: Marine Recovery through Artificial Reefs under Floating Solar

Santa Cruz de Tenerife

A spatial GIS model and interactive visualisation tool to optimise artificial reef deployment beneath the floating solar mooring system of FV Playa Quemada — a bay devastated by 53 aquaculture cages ...

SCT05 - Advancing high resolution satellite imaging for low-density Sargassum detection

Santa Cruz de Tenerife

Algorithm for data analysis

SPL01: Blue Vis à Vis You – A Playful Response to Environmental and Social Challenges for Protecting Joyful Blue Life

A digital tool in the form of an interactive game

TLN02 - SAR DRIFT: from search-and-rescue to ocean protection, one drift engine, many lives saved

Toulon

A working prototype module integrated on top of the existing SAR DRIFT platform: a new drift simulation use case chosen by the team (pollution response, biodiversity monitoring, debris tracking, ...

TLN03 - NOCTURA

Toulon

As part of this challenge, we propose to develop a prototype decision-support tool designed to optimize port lighting. Through an interactive simulator and dashboards, port managers will be able to ...

TLN05 - From Rescue to Screen: Mediterranean Sea Turtle Data for Kids

Toulon

In 48 hours, we want to build the first version of the “Lola Data Pipeline”, combining:
– a small but well‑structured database (or set of CSV/GeoJSON files) describing real loggerhead turtle ...

TOU01: Identifying and treating pollution in ports

Toulon

Tool that detects and anticipates pollution in the port, tracking its progress and triggering clean-up operations

TOU02: Monitoring consumption and translating it into pollution avoided on electrically connected platforms

Toulon

A tool for monitoring consumption and assessing pollution avoided

TOU08: DeepSight

Toulon

A predictive model that can avoid seasonal collisions while minimizing carrier costs

VIC02 - What’s that critter?

Victoria

A classifier that can identify the species in an image, or produce a list of species sorted by likelihood of being a match, and report the lowest clade that contains the image can be classified as. ...

VIC03 - What’s that sound?

Victoria

A classifier that can identify the species that produced a particular vocalization (based on either the spectrogram, audio, or both), or produce a list of potential species sorted by likelihood, and ...

VIC04 - Pacific Ocean Explorer: Reimagining Tools for Area Based Management

Victoria

Over 48 hours, we want to build a simple map-based prototype that helps users explore an ocean area and generate a quick evidence snapshot using publicly available marine datasets. A user would be ...