Ritz-Carlton Gold and Plat members do NOT get lounge access (you get 3 upgrades with the RC Visa though). You can't even be upgraded into a Club level room
http://www.ritzcarlton.com/en/Reward...efits/Gold.htm
Complimentary Room Upgrade
It is our priority that you enjoy the utmost in comfort. So when a more desirable room is available upon your arrival, you may anticipate a complimentary upgrade.
Suites and Club Level room are exempt from this benefit.