Rising rents and controlled new supply pushed gross rental yields in Navi Mumbai to 5–6% in 2025, beating FD returns. Leaders: Seawoods 6.1%, Kharghar Sector-36 5.8%, Mahape 5.4%. Sample deal: 2 BHK in Adhiraj Samyama bought at ₹92 L fetches ₹26 k/month rent (5.4% after society charges). Key drivers: metro connectivity, IT park completions, and 18% YoY growth in migrant professionals. We caution on maintenance & property tax leakage that can shave 80–100 bps off headline yield. Download the yield calculator & tenant verification checklist. Keywords: Navi Mumbai rental yield, best buy-to-let areas, investor returns.