Works to modernise water, wastewater and electrical infrastructure at Maria Island will start next month, following the awarding of a contract.
Local business Spectran Civil was awarded the $8.9m contract following a competitive request for tender process, for the final stage of the critical infrastructure upgrades.
Minister for Parks Nick Duigan said the works were essential to supporting a sustainable visitor experience on the island.
"Through the Maria Island Rediscovered project, the Tasmanian Government has delivered critical infrastructure upgrades, enhancing the experience of visitors to the island," he said.
"With visitor numbers to Maria Island continuing to grow, these upgrades are critical to protect the island's natural and cultural values.
"We are delivering for Tasmania by investing in our natural assets."
The works include:
Works are expected to commence in December and be complete in quarter four 2026.