A Rye beach bathing box without power or water has sold for a record $275,000.
It was snapped up before its scheduled weekend auction.
They might be a throwback to the 19th century, when the increasing popularity of sea bathing clashed with Victorian-era prudishness, but demand is still there for them.
"There is no power and no water. It is just a box and it is on the beach."
But she said the beach boxes were bought by now elderly people who paid $4,000 for them and now "they just get handed down."
Victorians last year spent more than $5 million on beach boxes, according to a News Ltd report.
The tiny beach boxes dot Port Phillip Bay from Melbourne to the Mornington Peninsula.
A Portsea box last year sold set a record $585,000.
A Brighton record was set 18 months ago when a new box sold for $260,000. Bathing boxes existed in Brighton as far back as 1862.