Missing St. Bernard found dead in Treasure Island

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The search for Logan, a missing 200-pound St. Bernard in Treasure Island, has come to a sad end. 

Family members tell FOX 13 their beloved pup was found dead in the bushes near a neighbor's home. 

RELATED: Reward in missing Saint Bernard case reaches $1,500

Will and Jamie O'Shea say they left their home in Treasure Island Monday and Logan was inside. They returned about 45 minutes later and he was gone. 

One of their back doors was closed but unlocked. 

After he went missing, the couple hired a pet detective and offered up to a $2,500 reward for his safe return. 

Logan was described as a big sweetheart and a couch potato. 

Friday, Logan's family told FOX 13 they aren't sure how he died, but they are taking him to Pasadena animal hospital to find out more.