Imagine bright sunny days, dark starry nights, wildlife, solitude, stillness, sauna & hot tub: a pvt spa & retreat combined! Ultra-sustainable 1383sf 2BR/1BA off-grid Green home, detached 864sf garage/shop w/ 540sf studio/office above, located on secluded southern edge of the Baca. Spectacular 360 views of the Sangres, Blanca & San Luis Valley! South-facing passive-solar looks out on 100,000-acre Great Sand Dunes Nat'l Park: deer, pronghorn, eagles, hawks & elk herds are your neighbors. Main entrance features Mudroom, w/ access to Den/Office/extra BR & sauna on one side & Great Room/Kitchen on the other. Great Room features bright floor-to-ceiling view windows, adobe floor, built-in bookshelves & cozy wood stove. Step up to Kitchen & Dining nook w/ clerestory windows above. Kitchen has lg stainless fridge, custom marble counters, rustic pine floors (wide boards & square-cut nails) & views: perfect for cooking & entertaining! Down the bright hallway is Master BR w/ custom-tiled deep soak tub, more views & planters filled w/ mature night-blooming cereus: bathe amidst the blossoms! 2nd BR features adobe walls & laundry closet. Between the BRs is 3/4 Bath w/ custom-tiled shower. Heat is supplied by passive solar, geothermal earth battery & backup Euro-style hydronic wall radiators. Domestic hot water heated by rooftop solar-thermal collectors w/ propane boiler backup. Upgraded solar-PV system provides grid-like power, including 2500W panels, dual Trace inverters w/ 900 AH Rolls/Surrette 48V 16-battery storage (replaced late 2016), all meticulously maintained. Kohler propane backup generator, new in 2016. 864sf insulated garage/shop w/ radiant in-floor heat & finished 540sf Studio/Office w/ separate entrance above, featuring 1BA w/ custom-tiled shower & balcony w/ views. Many, many extras: 21' grow-dome w/ H2O & elec, landscaped yard, flagstone terrace, outdoor deck w/wood-fired hot tub & cold plunge, flower beds, fenced vegetable garden, wood/garden shed & more!