There have been 12 more cases of Covid-19 confirmed in Guam taking the total number of infections to 271, including five deaths.
The latest positive tests are from 10 civilian cases and two military personnel linked to the Andersen Air Force Base.
There are now 87 active coronavirus cases but officials have warned this could increase with a step up in mass testing.
Last week the government postponed its plan opening of travel routes to Japan, South Korea and Taiwan due to a spike in local cases.
Authorities are now urging residents to take precautions during the upcoming Fourth of July holiday, including social distancing, hand washing and the wearing of face masks.