New York Islanders trades
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | rights to Jan Hlavac | July 14, 1998 | rights to Jorgen Jonsson |  |
| Boston Bruins acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | 1999 9th round pick (#247-Mikko Eloranta) | June 27, 1998 | 1999 9th round pick (#250-Radek Matejovsky) | |
| Edmonton Oilers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Eric Fichaud | June 18, 1998 | Mike Watt | |
| Chicago Blackhawks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Jean-Pierre Dumont | May 30, 1998 | Dmitri Nabokov | |
| 1998 5th round pick (#124-Francis Belanger) | ||||
| Arizona Coyotes acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Mark Janssens | March 24, 1998 | 1998 9th round pick (#242-Jason Doyle) | |
| Buffalo Sabres acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Jason Holland | March 24, 1998 | Jason Dawe | |
| Paul Kruse | ||||
| Vancouver Canucks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Jason Strudwick | March 23, 1998 | Gino Odjick | |
| Vancouver Canucks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Todd Bertuzzi | February 6, 1998 | Trevor Linden | |
| Bryan McCabe | ||||
| 1998 3rd round pick (#68-Jarkko Ruutu) | ||||
| Anaheim Ducks acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Travis Green | February 5, 1998 | Jean-Jacques Daigneault | |
| Doug Houda | Mark Janssens | |||
| Tony Tuzzolino | Joe Sacco | |||
| Edmonton Oilers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Dan LaCouture | August 25, 1997 | Mariusz Czerkawski | |
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Tyrone Garner | March 18, 1997 | Robert Reichel | |
| Marty McInnis | ||||
| 1997 6th round pick (#140-Ilja Demidov) | ||||
| Hartford Whalers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Derek King | March 18, 1997 | 1997 5th round pick (#115-Adam Edinger) | |
| Florida Panthers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Craig Fisher | December 7, 1996 | cash | |
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| 1997 3rd round pick (#80-Francis Lessard) | November 27, 1996 | Paul Kruse | |
| Los Angeles Kings acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Chris Marinucci | November 19, 1996 | Nicholas Vachon | |
| Pittsburgh Penguins acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Andreas Johansson | November 17, 1996 | Bryan Smolinski | |
| Darius Kasparaitis | ||||
| Toronto Maple Leafs acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Darby Hendrickson | October 10, 1996 | 1998 conditional 5th or 6th round pick (#123-Jiri Dopita) | |
| Colorado Avalanche acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Brent Severyn | September 4, 1996 | 1997 3rd round pick (#80-Francis Lessard) | |
| Dallas Stars acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Brad Lukowich | June 1, 1996 | 1997 3rd round pick (#79-Robert Schnabel) | |
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Bob Sweeney | March 20, 1996 | Pat Conacher | |
| 1997 6th round pick (#140-Ilja Demidov) | ||||