Homes under $300K in Key Largo, FL

7 for sale · 10 homes listed · Updated September 25, 2026

• 103950 overseas highway ru62, Key Largo 33037 $199,900 · 1 bd · 0 ba
• 103650 overseas highway, Key Largo 33037 $85,000 · 2 bd · 2 ba · 2,178 sqft
• 104000 overseas highway 1 - 2, Key Largo 33037 $295,000 · 3 bd · 3 ba · 2,300 sqft
• 104000 overseas highway 6-6, Key Largo 33037 $279,000 · 3 bd · 3 ba · 2,300 sqft
• 104000 overseas highway unit 6-6, Key Largo 33037 $279,000 · 3 bd · 3 ba · 2,400 sqft
• 36 east 2nd 3p, Key Largo 33037 $29,000 · 2 bd · 1 ba · 700 sqft
• 36 east 2nd street p4, Key Largo 33037 $89,000 · 2 bd · 1 ba · 900 sqft
• 302 ryan avenue, Key Largo 33037 Pending $250,000 · 2 bd · 1 ba · 732 sqft
• 104000 overseas highway 3-6, Key Largo 33037 Sold on Jul 31, 2026 $299,000 · 3 bd · 3 ba · 2,300 sqft
• 300 ocean drive 23, Key Largo 33037 Off market since Jul 2026 $279,000 · 2 bd · 2 ba · 1,024 sqft