Welcome to ''Gulfside Grove Oasis'' in Marathon, the heart of the Florida Keys. Nestled on a spacious 9,000 square foot lot, this three bedroom, two bathroom CBS built residence mirrors a charming family getaway with 2,016 interior square feet and immensely lush tropical landscaping. Convenient groundlevel home with high/dry elevation, accordion shutters and new 5V crimp metal roof (2018) tucked away at the end of 123rd Street Gulf. Recent updates include new sod and pea rock (2021), new washer/dryer (2020), extensive concrete spalling repair and fresh exterior paint (2019), new AC compressor/air handler with Ecobee thermostat (2018), and new electric sub-panel addition (2013). Entertain in the gracious open concept great room paired with magnificent kitchen featuring silestone quartz countertops, white cabinets, updated stainless steel appliances and oversized peninsula featuring ultimate prep space. Oversized master en-suite includes walk-through closet plus spa-like bathroom with jacuzzi tub, marble topped vanity and step-in tiled shower. Venture through the sliding glass doors in master or great room to access the freshly stained exterior porch and side yard oasis. Second guest bedroom features plenty of natural light, spacious closet and guest bathroom close by. Third bedroom with updated mini split AC (2016), currently utilized as a den/office, houses another generous closet with updated washer/dryer (2020). Fully fenced backyard with two separate sod areas: one ideal for lounging among native vegetation plus open-air porch, and another perfect for pets to roam free. Elevated storage shed with electric (40 amps) and side garden. A rare offering, ''Gulfside Grove Oasis'' is a private domain with distinctive design and spacious living for all.