"The last interglacial period, Marine Isotope Stage (MIS) 5e, was characterized by global mean surface temperatures that were at least 2 °C [3.6°F] warmer than present, the authors noted. "Mean sea level stood 4–6 meters [13 to 20 feet] higher than modern sea level [citations] with an important contribution from a reduction of the Greenland ice sheet [citations]."
While the report may be taken as a conjecture of abstract science, it is nonetheless informative as to what the future may hold. There's nothing abstract for the insurance industry, if sea levels rise at the rates indicated. Low lying areas, such as