Sunshine pours through the added sunroom at 121 Gully Branch Lane #4, and it is easy to picture slow mornings here with coffee in hand and the patio doors open. This updated three-bedroom, two-and-a-half-bath end-unit townhome in Arcadian Lakes, Myrtle Beach, SC 29572 offers 1,905 heated square feet of light, comfort, and coastal charm, with a new roof installed in 2025 and new impact glass windows in every ocean-facing room. The sunroom is lined with windows on two sides and features a vaulted ceiling, ceiling fan, and pass-through window to the kitchen, with a sliding glass door that opens to a fenced paver patio framed by palms. Updated hardwood flooring flows through the main living areas and the first-floor primary bedroom. The updated kitchen is bright and cheerful, with white cabinetry, stainless steel appliances, a mosaic tile backsplash, under-cabinet lighting, and a peninsula breakfast bar. The dining area and living room share an open layout beneath a two-story vaulted ceiling, where a fireplace flanked by built-in cabinetry makes a cozy gathering point on cooler evenings. The first-floor primary suite offers a ceiling fan, sitting area, walk-in closet, and an updated en-suite bath with a double vanity and a new shower with rain glass. A first-floor half bath includes a laundry closet, and the heavy-duty Speed Queen washer and dryer convey. Upstairs, two spacious bedrooms, one with a walk-in closet and one with two double closets, share an updated full bath with a double vanity. The HOA covers the community pool and clubhouse, landscaping, water and sewer, trash pickup, cable, internet, pest control, building insurance, and common area maintenance. Pets and golf carts are allowed for owners, and long-term rentals are permitted. Community ponds add to the setting, and the beaches, restaurants, shopping, and golf of the Grand Strand are minutes away. A sun-filled sunroom, a first-floor primary suite, and a new roof come together in this end-unit townhome in Arcadian Lakes, Myrtle Beach, SC 29572. Measurements are not guaranteed. Buyer is responsible for verifying.