A restored two-bedroom, 1 1⁄2 -bath Modern beach house listed for $2.1 million was the prototype for a cluster of cabana-like Amagansett homes designed by architect Richard Bender.

Set on 1.23 acres bordering the Peconic Land Trust, the 1,000-square-foot glass-wrapped residence “evokes the sensory pleasure of living under a canopy with the surrounding nature flowing through the space,” according to the listing, which is with Rylan Jacka and Bayard Fenwick of Sotheby’s International Realty.

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The open-plan home features aged pine floors, beamed wood ceilings, retrofitted baths and a floating sculptural fireplace orb. An updated kitchen includes Sub-Zero, Viking and Bosch appliances, hardwood counters, three-tone cabinets and a skylight.

Outdoor creature comforts include a mahogany deck, sauna, outdoor shower and 20-by-40-foot heated freshwater gunite pool with an electric retractable cover. An ECOsmarte pool system uses oxygen electrodes to treat the water.

Plantings include mature Japanese and coral bark maple trees, cherry trees, laurels, raspberry and blueberry bushes.

The “Amenity” project came about in the early 1960s when the MIT- and Harvard-educated Bender pooled resources with friends to buy 20 acres, where he designed and built the home, according to published reports.

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Following a career in community and urban planning, Bender is now a professor emeritus of architecture and the former dean of the College of Environmental Design at the University of California, Berkeley.