New York Islanders trades
| New York Islanders acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 2010 2nd round pick (#58-Kent Simpson) | March 2, 2010 | Andy Sutton |  |
| Columbus Blue Jackets acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Greg Moore | March 1, 2010 | Dylan Reese | |
| Carolina Hurricanes acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Rob Hennigar | August 31, 2009 | Bobby Hughes | |
| New Jersey Devils acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Ben Walter | June 30, 2009 | rights to Tony Romano | |
| future considerations | ||||
| Arizona Coyotes acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 2009 3rd round pick (#91-Michael Lee) | June 27, 2009 | 2010 3rd round pick (#82-Jason Clark) | |
| Columbus Blue Jackets acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| 2009 2nd round pick (#56-Kevin Lynch) | June 27, 2009 | 2009 3rd round pick (#62-Anders Nilsson) | |
| 2009 4th round pick (#92-Casey Cizikas) | ||||
| Columbus Blue Jackets acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| 2009 1st round pick (#26-Kyle Palmieri) | June 26, 2009 | 2009 1st round pick (#16-Nick Leddy) | |
| 2009 2nd round pick (#37-Matt Clark) | 2009 3rd round pick (#77-Matt Hackett) | |||
| 2009 3rd round pick (#62-Anders Nilsson) | ||||
| 2009 4th round pick (#92-Casey Cizikas) | ||||
| Minnesota Wild acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 2009 1st round pick (#16-Nick Leddy) | June 26, 2009 | 2009 1st round pick (#12-Calvin de Haan) | |
| 2009 3rd round pick (#77-Matt Hackett) | ||||
| 2009 7th round pick (#181-Erik Haula) | ||||
| Pittsburgh Penguins acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Bill Guerin | March 4, 2009 | 2009 conditional 5th round pick (4th round if Penguins make 2009 playoffs 3rd round if Penguins advance to 2nd round of 2009 playoffs) (#91-Michael Lee) | |
| New York Islanders acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Dean McAmmond | February 20, 2009 | Chris Campoli | |
| 2009 1st round pick (#26-Kyle Palmieri) | Mike Comrie | |||
| Atlanta Thrashers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Brett Skinner | January 13, 2009 | Junior Lessard | |
| Chicago Blackhawks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 2008 3rd round pick (#68-Shawn Lalonde) | June 21, 2008 | 2008 3rd round pick (#72-Jyri Niemi) | |
| 2008 4th round pick (#102-David Ullstrom) | ||||
| Toronto Maple Leafs acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 2008 1st round pick (#5-Luke Schenn) | June 20, 2008 | 2008 1st round pick (#7-Colin Wilson) | |
| 2008 3rd round pick (#68-Shawn Lalonde) | ||||
| 2009 2nd round pick (#37-Matt Clark) | ||||
| Nashville Predators acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 2008 1st round pick (#7-Colin Wilson) | June 20, 2008 | 2008 1st round pick (#9-Josh Bailey)) | |
| 2008 2nd round pick (#40-Aaron Ness) | ||||
| Minnesota Wild acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Chris Simon | February 26, 2008 | 2008 6th round pick (#175-Justin DiBenedetto) | |
| Anaheim Ducks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Marc-Andre Bergeron | February 26, 2008 | 2008 3rd round pick (#73-Kirill Petrov) | |
| San Jose Sharks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 2008 7th round pick (#186-Jason Demers) | February 26, 2008 | Rob Davison | |
| Anaheim Ducks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Darryl Bootland | January 9, 2008 | Matt Keith | |
| Boston Bruins acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Petteri Nokelainen | September 11, 2007 | Ben Walter | |
| 2009 conditional 2nd round pick (if Nokelainen plays 50 games in 2007-08 or 90 games in 2008-09 with Bruins) (#56-Kevin Lynch) | ||||
| Edmonton Oilers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Allan Rourke | July 5, 2007 | 2008 2nd round pick (#53-Travis Hamonic) | |
| 2008 3rd round pick (#73-Kirill Petrov) | ||||