Yes. It is called "Emeritus," and has three distinct levels, Silver, Gold and Platinum. Once earned, you will continue to receive the benefits of that Marriott Rewards level for life, even if you reduce or cease your frequent travel. You can, of course, have a higher annual MR level than your Emeritus level. Obviously, if you had earned Silver Emeritus, but had earned Platinum status for the year, you'd want to take advantage of the Platinum amenities rather than the Silver ones.

For each level, you have to earn the following:

*A minimum number of total earned MR points (not all in your account at once).
*A minimum number of total nights stayed in Marriott properties.
*At minimum number of years in the MR program.
*Have to have earned the corresponding color level "the hard way" at least once.

If you call the service center, they can tell you how far along you are. I recently called to check on my progress, and was told that they had just "minted" a new Platinum Emeritus that day.

Based on what I've been told by the good folks at the service center, these are the qualification requirements:

Silver E:
1.5 million earned MR points
600 nights
12 years as an MR member
Earned MR Silver at least once

Gold E:
2 million earned MR points
800 nights
12 years as an MR member
Earned MR Gold at least once

Platinum E:
3 million earned MR points
1000 nights
12 years as an MR member
Earned MR Platinum at least once

Hope that helps!