Are you ready to dive into the vast blue expanses of our planet? Oceans cover over 70% of Earth's surface, teeming with mysteries, from deep-sea trenches to vibrant coral reefs. Islands, those scattered jewels in the sea, range from tropical paradises like Hawaii to remote outposts in the Arctic. This quiz tests your knowledge of oceans and islands around the world—famous archipelagos, unique formations, marine wonders, and geographical trivia. Whether you're a geography buff or just love exploring maps, these 40 questions will challenge your understanding without getting too tricky. From the Pacific's endless horizons to the Atlantic's stormy waves, see if you can navigate through facts about currents, atolls, and island nations. Score high, and you'll feel like a true explorer; stumble, and you might need to brush up on your atlas. Let's set sail—good luck!