Melbourne have announced a 30-year deal to use Casey Fields as a training facility, giving the AFL club a permanent "home away from home".

The agreement with the City of Casey, in the outer south-east of the city, is another step towards the club ending the nomadic existence that has plagued the Demons since the mid-1980s.

Melbourne will use the ground as a base during the pre-season and also once a week for training during the regular season.

"We're really going to be able to come in here and make this place our home away from home," said club president Jim Stynes.

Former Demons captain and current AFL commentator Garry Lyon said the club had suffered for more than two decades because it lacked any long-term permanent base.

"We moved from the MCG in 1985 and from that point forward we've had no base as a football club and it's been a disgrace and a farce," Lyon said.

"As the competition has fast-tracked itself into this professional era that we find ourselves in, our club, and by extension our footballers, have been carrying this massive load around their necks for the best part of 25 years because they had no home.

"The thing that always struck me as being inconceivable is that we were failing to provide these blokes with the best possible facilities.

"These blokes will come to work now with the absolute best facilities at their disposal and that's what this football club deserves."

The new deal will feature a $2.1 million upgrade of the ground.

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