Stony Brook, 5 Princess Gate, $999,000

The homeowner had this massive seven-vehicle detached garage built so he could pursue his hobby of restoring old cars, says listing agent Deborah Lettieri of Coach Realtors. The garage is equipped with heat, air-conditioning, a lift and a loft, Lettieri says, and though it was built two decades after the house, the owners took great care to match the style and stone materials to the original.

The five-bedroom Colonial was built in 1990 and features three full bathrooms and an eat-in kitchen with granite counters and a large pantry. There’s a formal dining room, formal living room and great room with floor-to-ceiling stone fireplace, Lettieri says. Other amenities include skylights, hardwood floors and a master suite with private bath that includes a soaking tub and separate stall shower.

The 4,200-square-foot home also offers a mudroom and laundry room on the first floor and full basement with 9-foot ceilings and outside entrance. There’s a heated inground pool, cedar deck and paver patio on the 0.69-acre, cul-de-sac property, which is zoned for horses. The taxes are $21,507. Deborah and Kristin Lettieri, Coach Realtors, 631-827-3056 and 631-804-8800.

Bayville, 28 Quincy Ave., $499,000

The 2 1⁄2-car detached garage belonging to this Colonial was once used as an office, says listing agent Margaret Mateyaschuk of Daniel Gale Sotheby's International Realty. The 22-by-30-foot structure is now used for more traditional purposes, Mateyaschuk says, and it is large enough to accommodate a family’s storage needs in addition to its cars.

Mateyaschuk says the 1923 home has been completely updated to include a new kitchen with granite countertops, breakfast area and two new bathrooms. The three-bedroom house has an open floor plan with “clean lines” leading from the foyer to the dining area, great room and living room, Mateyaschuk says, with a flow that makes it “appealing and comfortable for entertaining.”

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The house also offers hardwood floors, a mudroom and full basement with outside entrance. There’s a Trex deck on the 50-by-140-foot property, which is on a cul-de-sac and comes with mooring rights and access to a private beach. The taxes are $7,198. Margaret Mateyaschuk, Daniel Gale Sotheby’s International Realty, 516-972-1891.

Orient, 28545 Main Rd., $795,000

A two-story detached garage was built on the property of this four-bedroom cape a decade ago, when the home’s attached garage was converted into a master suite, says listing agent Julia Robins of Century 21 Albertson Realty. The 36-by-32-foot structure features a clear span without columns and can accommodate as many as three vehicles, Robins says. The garage is wired for electricity and has a staircase to the second floor, which can be used for storage, an office or a rec room.

The 1987 home features post-and-beam construction, Robins says, with wood-paneled walls, cathedral ceilings and a fireplace with bluestone hearth and mantel in the living room. There’s a formal dining room, den and eat-in kitchen with granite counters and exposed beams. There are four bathrooms — including one with an oversized Jacuzzi in the second-floor bedroom suite.

The house also has hardwood floors, a combination laundry room-mud room and full basement with 9-foot ceilings. There’s an inground pool and deck on the 1.8-acre property, which features views of open farmland from the yard and front porch. The taxes are $8,352. Julia Robins, Century 21 Albertson Realty, 631-478-1719.