The original portion of this Dutch Colonial in Mill Neck, listed for $2.75 million, was once the gardener’s cottage of Alfred Vanderbilt’s sprawling estate.

Built in 1903, that cottage was renovated and expanded in the mid-1990s, producing a family room with a stone fireplace, a new kitchen with a brick fireplace and a second Gambrel roof to match the original, says listing agent Frances Covello of Daniel Gale Sotheby’s International Realty.

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The five-bedroom, 4 1⁄2-bath stucco home is on Roger Canoe Hollow — named, Covello says, after a Native American trader who was known for leaving a canoe at the end of the road terminating at Mill Neck Creek.

Fitting for what was once a gardener’s cottage, the property is surrounded by specimen plantings and features mature trees, including an orchard with apples and peaches.

The grounds also include brick and stone patios, a heated gunite pool and a pool house with French doors.

Inside, there is a formal dining room, a den/family room, an office, an attic, a three-car attached garage and a total of five fireplaces.

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A partially finished full basement features a bedroom and bathroom, and the second-floor master bedroom suite includes winter water views of Oyster Bay.