REEF’s 17th annual Florida Keys Lionfish Derby & Arts Festival will culminate on Thursday April 23, 2026 at the which will include a lionfish weigh-in and awards. This event blends ocean conservation, art, science, and community fun, and it’s free and open to the public! Join us for a weekend of lionfish hunting, eco-art, ocean education, interactive exhibits, local art, live music, and lionfish tasting and family-friendly festivities.