Fans have not been able to attend matches due to the Covid-19 pandemic.
The Jersey government allowed people to watch the game provided they supplied contact details and kept a metre away from people outside their household.
The island side ran in nine tries as they registered their second win since the Championship restarted last month.
Two tries from Brendan Owen and one each from Jack Macfarlane and Matti Williams saw the islanders secure a bonus point before half-time as they led 26-5 at the break.
