Islanders working on where to play while Belmont arena is built

Fans file into NYCB Live's Nassau Coliseum for a concert in 2017. Photo Credit: Steve PfostThe Islanders’ new arena at Belmont is not likely to be ready until the 2021-22 hockey season, so the team will need to find a home for three seasons after this one.

The Islanders are in the process of opting out of the team’s 25-year lease with Barclays Center, which is run by Brooklyn Sports & Entertainment, which also runs the NYCB Live’s Nassau Coliseum.

Under the terms of the opt-out agreement, the Islanders are obligated to play next season at Barclays Center. The team and Brooklyn Sports & Entertainment are negotiating a plan that includes games at both Nassau Coliseum and Barclays Center,…