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However, the yacht was out of the water for a few months last year for upgrading work, including fully renovating the deck, but after it returned to service the motor "packed up" during a trip, Mr White said.
After a wait for good weather, the yacht was sailed up the Otago coast earlier this year and has been out of the water in Dunedin while repair and other work has been undertaken, including rebuilding the motor.
"We had to wait a long time because of the weather."
After the yacht's return to the water, more work still had to be undertaken.
Mr White, who is also a builder, has been closely involved in the "huge job" of readying the yacht to operate again for charter work at Stewart Island.
The aim was to be ready from mid-September.
Repairs and other work, and some money lost through being unable to undertake some earlier charter work, had together amounted to about $70,000.
Having the yacht off the water for so long and having such a lot of work done had been "pretty taxing financially".
"It's positive," he said about the yacht's return to the harbour.
Elwing takes its name from an elf princess, a character in J.R.R. Tolkien's Middle-earth, and her name means "Star-spray" in the Sindarin language.