The on-loan Liverpool striker signed off his spell at the Hammers with two assists in a final day 4-2 win over Reading and hailed the support he has had during the campaign
Carroll moved to Upton Park on loan in the summer after Brendan Rodgers deemed him surplus to requirements at Anfield and, although he suffered a spate of injuries midway through the campaign, the striker ended up with a haul of seven goals and five assists in his 26 appearances for the club.
And the 24-year-old, who was recently recalled to the England squad, moved to praise the Hammers' faithful following a happy spell in east London.
Carroll told the club's official website: "I have enjoyed every minute of being here.
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"The West Ham fans have been brilliant - they were chanting my name all through the match (against Reading), they never stopped and I thank them for the way they have supported me here from the moment I arrived."
Following a reasonably successful European Championship, where he scored the opener in a 3-2 win over Sweden, Carroll has not featured in Roy Hodgson's squad since the October World Cup qualifier against Poland where he was an unused substitute.
But the man who cost Liverpool £35 million two-and-a-half years ago could not hide his delight at earning a recall for the upcoming friendlies with Republic of Ireland and Brazil.
He added: "I have worked hard to get myself back in the England squad, trying to play my best for West Ham, so I am really pleased about that. I just have to make sure I keep playing well to stay in there.
"I have had a great season here at West Ham, really enjoyed being part of a great set of lads in the team, with the staff around us and the fans."
Carroll also praised the efforts of Sam Allardyce's side, who managed to finish 10th and in the top half of the league following promotion from the Championship last season.
"Everyone has been so welcoming to me and I have been over the moon to be here," he added. "This is a great club. As a team, we have made a good transition back up to the Premier League. It is a tough thing, but the aim from the start was to try and get in that top 10 and that is what we have done."