Martin's Diner (circa 1954) was located on East Merrick Road near Karlston Place:
Now it is the NEFCU parking lot:
The Rainbow Diner (circa 1954) is Paul's Diner:
The Rainbow Diner was at was at Merrick Road and Fletcher Avenue:
STARK'S FLATS, 17-25 East Hawthorne Avenue
from the LI Herald
And this is the house that Martha Beck and Ray Fernandez rented during the time they were "The Honeymoon Killers."