Mareil-Marly (French pronunciation: [maʁɛj maʁli]) is a commune in the Yvelines department in the Île-de-France region in north-central France.

The train station was built in 1882 on the Grande Ceinture line.

Since 2022, it is served by Île-de-France tramway Line 13 Express between Saint-Germain-en-Laye and Saint-Cyr-l'École.

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