Deputy Premier Jeremy Rockliff has revealed that is being investigated  as concerns continue about the adequacy of freight services, pressure builds on Infrastructure Minister Rene Hidding over his handling of the issue and some residents rumble about the island seceding from Tasmania and joining Victoria.

“We remain committed to securing a long-term triangular service between Victoria, Tasmania and King Island and one of the options we are investigating is for the government to invest in a purpose-built ship to service the freight needs of King Islanders,” Mr Rockliff said.

“The Tasmanian government and TasPorts appreciate and acknowledge the level of concern surrounding the current temporary shipping service and we are working hard with the King Island community to resolve this issue.”

He also outlined measures to help the island to be included in Thursday’s budget, saying the government was a “strident supporter” of the island and had developed a comprehensive package.

“The 2017 state budget confirms an extremely strong level of support for King Islanders by investing directly in the community, agricultural productivity and protecting the island’s unique environment,” he said.

“ ... an additional $200,000 over four years will increase the Parks and Wildlife staff on the island to support the management of reserves and crown land.

“Also, an extra $650,000 package over the forward estimates secures the King Island wallaby officer and biosecurity officer roles.”

The Education Department would provide more resources for children, with access to a school nurse and more support staff.

Other items would include $40,000  for barbecue shelters at Penny's Lagoon, $600,000 for car parking and traffic management at the island’s school; and $10,000 for Phoenix House to continue supporting community wellbeing.

Mr Rockliff said the government  recently awarded a $49,000 grant  to the island’s council to help develop a master plan for Currie, Naracoopa and Grassy.

“This is in addition to the existing $25,000 for the development of a deer management plan and $50,000 for a business case for a multi-species abattoir,” he said.