Papahānaumokuākea Marine Debris Project and Hawaiʻi Sea Grant present
Marine Debris Hack-a-Thon 2025
Saturday, December 13, 2025
6:00 – 8:30 pm
Waikīkī Aquarium
This free special event is open to all! Attend to cheer on the cutting-edge contestants, and enjoy an ocean-inspired night filled with fun, learning, and connection. Whether you’re passionate about our ocean, curious about innovation, or simply looking for a lively community event, we’d love for you to join us.
What to Expect:
- Live music
- Pūpū, drinks, and great company
- Raffles
- Interactive outreach by local environmental steward organizations
- A chance to watch teams tackle real marine debris challenges and showcase creative solutions!
Let’s celebrate creativity, community, and our shared commitment to mālama i ke kai.

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Hawaiʻi Sea Grant Events

