His beach-house rental will cost you a lot more than his hourly fee.

The season’s most expensive unrented Hamptons pad is a Southampton mansion on the market for $1 million, owned by lawyer-to-the-B-listers Mark Jay Heller, according to property records.

Heller, 66, owns the 10-bedroom spread that sits on three acres of ocean views in Southampton on Meadow Lane. He could not be reached for comment to discuss whether the price is negotiable.