https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/bays/port-susan/port-susan.md
He suffered a heart attack in his friend S. Rasnics’ swimming pool in 1963 and died on Bainbridge Island, Washington, aged 55. The pool was later filled in and is now a zen rock garden, which can be viewed by the public at the Bloedel Reserve, a 150-acre (60 hectare) former private estate. There is no marker to indicate that the rock garden was the site of Roethke’s death.