Here are some of his notable works:
Novels:
* The Captain: A well-known novel about the life of a ship captain and his struggles at sea.
* The Inspector: A mystery novel about a Dutch inspector investigating a murder on a ship.
* The Distant Shore: A story about a young man's journey across the ocean.
* The Mermaid's Tune: A novel about a group of people stranded on an island after a shipwreck.
* The Lost Sea: A novel about a sailor's search for a lost island.
* The Sailor: A coming-of-age story about a young man's experiences at sea.
Plays:
* The Fourposter: A two-character play about a long marriage.
* The Windmill: A play about a young woman's search for love and independence.
* The Girl on the Via Flaminia: A play about a young woman's love affair with an Italian man.
He also wrote a number of short stories and essays.
It's worth noting that there are other authors named "Hartog" but Jan de Hartog is the one most commonly known for writing about the sea.