The island can be explored by foot. The only exception to this is Laura Beach. Taxis are cheap $0.75 as long you stay east of the airport. To further reduce costs cab sharing is common. Getting to Laura Beach by taxi is expensive, but buses make the round trip to Laura 6 days a week not on Sundays for $2, departing from the RRE parking lot. Hitchhiking is widely practiced and quite safe.
There are packs of feral dogs roaming all inhabited parts of Majuro. Anyone walking or running needs to be ever alert as these dogs frequently attack without provocation. Walkers and runners should always carry a stout rod or similar and several rocks for use in thwarting marauding dogs.
Rental cars run at somewhat fixed rate of $US 60 per day. None of the huge commercial rental agencies operate on the island. Hotel Robert Reimers has about a dozen cars available. A gas station is located south of Hotel Robert Reimers about two thirds of the way to the National Telecommunications Authority building easily identifiable by the big satellite dishes.
