The space was really perfect for everything we needed.
Apartment:
It's a perfect size for 1 or 2 people. The high ceilings make the place seem even more spacious. Bed was SUPER comfy. It was a little chilly during our stay in LA so the space heater that was provided really came in handy. Kitchen had supplies for us to cook breakfast each morning. We just picked up a few groceries at the Whole Foods around the corner.

Neighborhood:
Quiet, residential area. SUPER convenient to everything we needed. We DID NOT RENT A CAR and it was the right decision! As mentioned, theres a Whole Foods very close to the apartment (5-7 minute walk) along with a few other convenient shops.
Rose Ave. is also about 2 blocks away with several restaurants and shops. (Pono Burger was delicious, must try their sweet potato fries! Also, Wallflower serves Indonesian food done VERY well!) Walk a little further down Rose Ave and you're on the boardwalk (10-15 minute walk). Wear comfortable shoes and you can walk all around Venice to see all the sites on your own.
We needed to get to Santa Monica one day and the Big Blue Bus (Rapid 3) that runs on Lincoln Ave (by Whole Foods) took us there in about 10 minutes (for only $1.25!) From there you could catch the Expo Metro Line that can get you to Downtown quickly (and with no LA traffic!) and even Hollywood if you take a transfer.

Host:
We were in contact with Adam, Marty's son-in-law, from the beginning and he was super helpful. Very quick to reply and very accommodating. My only regret was not getting the chance to meet our host. But hey, maybe next time :)