Maui County Mayor Richard Bissett said the large group had taken shelter in an isolated residence in west Maui, which had been without power and cell phone coverage since August 8.
Mr Bisset revealed details of the extraordinary rescue as the death toll from the deadly wildfires rose to 111.
Mr Bissett said: “We learned yesterday that there was a family of 60 living in a house on the west side, and many of them were untraceable, and have now been reunited with their families. “
According to Maui Police Chief John Pelletier, the group was without phones, electricity and internet.
No further details were immediately available on the condition of the survivors or where they were found.
As painstaking search and rescue efforts continue, officials estimate that 1,300 Maui residents remain unaccounted for.
Airport Governor Josh Green said only 35 percent of burn areas had been explored and he expected the death toll to rise in the coming days.
FEMA Administrator Dean Creswell said at a White House briefing on Wednesday that hundreds of experts and Federal Emergency Management Agency officials have arrived on the island with at least 40 dead dogs.
Ms Creswell said as of Tuesday afternoon only five of the victims had been identified, and a mobile morgue unit with 30 coroners had arrived in Hawaii to help examine the remains.
“We are working carefully to fully and sympathetically explore the affected areas while respecting all cultural sensitivities.”
Maui was facing a “very long and difficult recovery”, he said.
Federal Emergency Management Agency Ms Creswell said (FEMA) had paid $2.3 million to displaced families, but only 1,300 families had signed up for the payments.
Help was available for home repairs, emergency payments for cars and appliances. Ms. Creswell urged anyone affected by the wildfire to sign up on FEMA’s website or call 1-800- 621-3362.
Robert Diekman and Buddy Jantok, both of Lahaina, were among the first victims of the fire to be identified by Maui County earlier this week.
Three more people were identified on Wednesday, August 16, after authorities notified their families.
chairman Joe Biden The plan is to travel to Maui with First Lady Jill Biden on August 21 to inspect the affected areas and victims and officials involved in the recovery operation.