Test your knowledge of all things nautical by taking a swing at the monthly Blockheads trivia question. If your answer is correct, you could be randomly drawn to win a Blockheads Dry Bag and Brandana! Join Harken Blockheads to start receiving the monthly Blockheads Bulletin newsletter for next month’s trivia question.

Check out last month’s answer and winner below.

👉 April Question:

What marine organism is responsible for producing nine times more oxygen than all the trees, shrubs, and grasses on the planet combined?

👉 April Answer: 

Phytoplankton (Plankton was also acceptable).

👉 April Winner:

🏆 Congratulations to April’s winner – Aled Llewellyn-Jones! 🏆

RECOMMENDED

Trivia

March Trivia Answer & Winner

Test your knowledge of all things nautical by taking a swing at the monthly Blockheads trivia question. If

Fun, Trivia

February Trivia Answer & Winner

Test your knowledge of all things nautical by taking a swing at the monthly Blockheads trivia question. If


What exactly is a Blockhead? If you are totally obsessed with how to rig and sail your boat, you might already be one! Join the community of Blockheads to learn more about the sport, engage with others and share sailing experiences. This site serves as the hub for Blockheads globally, where you can discover how to join, media, tips and tricks, contests, and events. This program is all about YOU and we want to hear from everyone! Not seeing something? Your feedback is crucial, feel free to shoot us a comment or message.