Distance between Sheraton/Marriott

[qcelli]

Husband and I are cruising Feb 11 on Golden Princess.Staying precruise at the Sheraton Old San Juan and now have friends joining us staying at the Marriott. Does anyone know how far apart these 2 hotels are? Can you walk it? Thanks in advance!

[Clubber]

Click on my link below for an aerial view. I suppose you could walk it if you wanted, but I would suggest a taxi, especially if at night.