309 Avocado Ave, Marathon, FL 33050

Property Description

3.75% ASSUMABLE MORTGAGE OPPORTUNITY in Marathon (Grassy Key)! Set amid lush tropical greenery on a 7,500-square-foot corner lot, this elevated 2-bedroom, 2-bath home offers a cool tropical treehouse vibe, natural screening on three sides, and a peaceful island setting. Qualified buyers, including non-veterans, may apply to assume the existing mortgage (approx. $479,000 balance as of Nov. 2026), subject to lender approval. Buyer must fund the difference between the loan balance and purchase price, plus applicable costs. MAJOR IMPROVEMENTS: Metal roof, updated kitchen and bathrooms, and vinyl plank flooring (2017); Samsung smart washer/dryer (2021); 2.5-ton central A/C and water heater (2024); GE refrigerator and Samsung range (2025). Walls, ceilings, doors, baseboards and trim have been freshly painted in 2026. Decks were refinished, the downstairs storage room repainted, and the yard leveled and refreshed with weed-blocking fabric and decorative rock. Inside, enjoy cathedral ceilings, granite countertops, stainless appliances and an open living/dining/kitchen layout. Relax on the elevated screened front porch amid tropical foliage, or gather on the covered deck below. Two covered parking spaces plus ample yard space accommodate multiple vehicles, a boat, trailer or RV. Enclosed ground-level storage is separate from the home's living area. NO HOA! Accordion hurricane shutters and municipal sewer with no outstanding assessments. Flood Zone AE; per the 2021 elevation certificate, the elevated living level is 13.24 ft NGVD 1929 versus the documented 10-ft base flood elevation. Just a few blocks from a neighborhood park and community boat ramp, near Marathon dining, shopping and Sombrero Beach. Enjoy Florida Bay and Atlantic Ocean fishing, diving, snorkeling and boating. Offered unfurnished; primary-closet chandelier, portable bedroom A/C, TV on patio and all potted plants (Pineapples!) may remain if buyer desires. Experience the laid-back Florida Keys lifes