Copied 691 SE Harborview Dr, Port Saint Lucie, FL 34983, US $598,700 691 SE Harborview Dr, Port Saint Lucie, FL 34983 Checked: 17 hours ago Updated: Jul 11, 2025 at 08:13PM Investment Summary Net Operating Income (NOI) minus mortgage payments. Calculation: NOI - Mortgage Payments Monthly Cash Flow -$1,749 Capitalization Rate is a rate of return that compares the yearly Net Operating Income (NOI) to the market value.