Indigo at The O2 is a live music club situated within The O2 complex in London, with a capacity of 2,700. The venue includes four bars, such as the Purple Lounge VIP area and the Bleachers in the stalls. Indigo at The O2 has hosted a range of events, including 'An Audience with Bill Clinton' and the 2020 BDO World Darts Championship.