When Michael gets lost on the island, he is separated from his parents and must learn to protect and provide for himself. He struggles with this, and he misses his parents intensely until Kensuke takes him under his wing, teaching him how to survive on the island. As Kensuke cares for Michael and teaches him how to care for himself, Michael stops missing his parents and becomes comfortable with life on the island. Kensuke also teaches Michael to paint, nurturing Michael’s interest in art and helping it develop into a passion. Under Kensuke’s tutelage, Michael comes into his own as an artist. In turn, Michael teaches Kensuke to speak English. Kensuke teaching Michael how to thrive on the island and express himself creatively gives Michael the confidence to teach Kensuke English, which allows Michael to safely try out the kind of adult responsibility that comes with teaching. Ultimately, the novel implies that maturing often involves fostering agency, self-sufficiency, and responsibility—all things Michael develops during his time on the island with Kensuke.
The novel’s perspective on a coming-of-age narrative is also reflected in Kensuke’s treatment of the baby turtles that hatch on the island. He helps the turtles make their way safely to the sea, and when they reach the water they swim away, “no swimming lessons needed.” Kensuke’s protection and guidance allows them to flourish, just like it does for Michael. Michael is ready to come of age as an independent young man, but to do so requires guidance and care from an adult like Kensuke, just like the turtles need Kensuke’s protection but are ready to swim once they get to the water. Growing up into a healthy and capable adult is not only the responsibility of the child, then—it also requires a safe environment in which to grow up in, and creating that environment is the duty of an adult.
Coming of Age ThemeTracker
Coming of Age Quotes in Kensuke’s Kingdom
Chapter 4 Quotes
The sun was blazing down. I had not really felt the burning heat of it until then. I scanned the horizon. If there was a sail somewhere out there in the haze, I could not see it. And then it came to me that even if I were to see a sail, what could I do? I couldn’t light a fire. I had no matches. I knew about cavemen rubbing sticks together, but I had never tried it. I looked all round me now. Sea. Sea. Sea.
Nothing but sea on all sides. I was on an island. I was alone.
Chapter 5 Quotes
It came to me suddenly that I had seen the old man’s face somewhere before. I had no idea how that could be. As I lay there pondering this, I felt the piece of glass in my pocket pressing into my hip. My spirits were suddenly lifted. I still had my fireglass. I would build my fire again, but this time somewhere he wouldn’t discover it. I would wait for a ship to come, and until then I would survive. The old man had survived in this place. If he could, I could. And I could do it alone, too. I didn’t need him.
Chapter 7 Quotes
Every day, dawn to dusk, I translated the world around him into English. We did what we had always done, but now I talked all the while and he would echo every word, every phrase he wanted to. […] Sometimes as I enunciated a new word, I noticed that his eyes would light up. He would be nodding and smiling almost as if he recognized the word, as if he was greeting an old friend. […] Now at last we could talk more easily to each other, the long silence in which our friendship had been forged was over. It had never been a barrier between us, but it had been limiting.
Chapter 9 Quotes
“You go to sea, little turtle,” he said. “You live there now. You soon be big, fine turtle, and then one day you come back and see me maybe. […] You know what they do, Mica. Mother turtles, they lay eggs in this place. Then, one nighttime every year, always when moon is high, little turtles are born. Long way to go to sea. Very many die. So always I stay. I help them. I chase birds away, so they not eat baby turtles. Many years from now, when turtles are big, they come back. They lay eggs again. True story, Micasan.”
[…] We found several too weak to make the journey, and carried them down into the sea ourselves. The sea seemed to revive them. Away they went, no swimming lessons needed. We turned dozens right-side up and shepherded them safely into the sea.



