ESV Tools, or Ecosystem Services Valuation Tools, help determine the benefits people receive from ecosystems. The Frenchman Bay Partners, in their quest to inform and support policy decisions, have been researching various tools, each possessing different emphases and strengths. Consultant Margaret Snell prepared a summary of 14 tools, highlighting their attributes, strengths, weaknesses, inputs, outputs, and scales. Next steps include determining the scope and needs of specific Frenchman Bay Partners projects and selecting the most appropriate tool.