Aloha

library(leaflet)

## Warning: package 'leaflet' was built under R version 3.4.3

mymap = leaflet()
mymap = addTiles(mymap)
mymap = setView(mymap, lng = -156.05688, lat = 20.67896, zoom =10)
mymap = addMarkers(mymap, lng = -156.05688, lat = 20.67896, popup = "Waterfall worth the long hike")
mymap