Private Cos Cob oasis designed for effortless single-level living, with the added flexibility of a spacious second-floor great room ideal as second home office, fitness studio, media or playroom. A stunning, light-filled foyer with generous closet space welcomes you into the spacious living room, anchored by a cozy wood-burning fireplace. The adjoining floor-to-ceiling glass sunroom offers tranquil views & creates the feeling of being immersed in nature throughout every season. The dining room features soaring ceilings & flows seamlessly into the well-appointed eat-in kitchen, complete with a charming greenhouse-style space-the perfect place to enjoy your morning coffee. Hidden laundry in kitchen. Just off the kitchen, you'll find a home office, a convenient secondary entrance, a powder room, direct access to the attached two-car garage & backyard. A dedicated wet bar makes entertaining effortless. The thoughtfully designed bedroom wing provides abundant storage & includes two generously sized bedrooms, a whimsical hallway full bath, & a spacious primary suite featuring a large walk-in closet & an en-suite bath with dual vanities & a double shower. A fourth bedroom offers direct access to a sparkling pool & fully-fenced deck with various entertaining options. 10 Steep Hollow Ln offers exceptional quiet indoor-outdoor living, & yet is located close to all of Cos Cob's offerings. This remarkable home delivers the comfort, versatility & lifestyle you've been waiting for!