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MIAMI (CBSMiami) – The search is on for a missing man off Marathon.

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The US Coast Guard said 52-year-old Carlos Garcia-Cruz was reported missing Tuesday by his girlfriend.

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Garcia-Cruz was last on a blue and white personal watercraft, he was wearing a life jacket.

Garcia-Cruz’s girlfriend said he left Marathon on Saturday and was expected to return on Christmas Eve.

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A search plane from Coast Guard Air Station Miami has been launched to aid in the search.