There is a setting on island settings that you can set voice chat to all, then in game, press pause to see the list of friends tab, there is a setting there to toggle to party chat or game chat (or whatev its called, not on game rn).
There is a setting on island settings that you can set voice chat to all, then in game, press pause to see the list of friends tab, there is a setting there to toggle to party chat or game chat (or whatev its called, not on game rn).