There was a discussion over the summer concerning the exact location of Monkey Island that I am not sure
was ever completely resolved. Anyway, here are the aerial photos of the area:
1948:
historicaerials.com
2004:
historicaerials.com
In the 1948 photo, you can see the two hills, connected by a foot bridge (I guess paw bridge in this case).
see below
laist.com