Hamonic has missed the past eight games since sustaining a concussion during a game Jan. 12 against the Dallas Stars.
To fill his roster spot the Islanders recalled Donovan, who had been sent down a day earlier to clear a roster spot for defenseman Lubomir Visnovsky, who returned from a three-month absence due to a concussion to play Monday against the Boston Bruins.
Donovan has six points and a minus-10 rating while averaging 17:30 of ice time per game in 32 games.
They said, 'You're going to love the city. It's smaller than Philadelphia, but you're going to love it. You're going to love the fans. Just watching the playoffs last year, the fans seemed louder there than they did anywhere. I'm really excited about that.
— Forward Scott Hartnell on his upcoming season with the Columbus Blue Jackets