Yes, Marriott points expire if you don't have any qualifying activity on your Marriott Bonvoy account for 24 months. Per the Marriott terms and conditions page (section 1.6. d):
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Chase Ultimate Rewards® points never expire. You can't lose them just because they've been sitting around for years. However, there is a caveat. You need to have an open credit card in good standing that earns Ultimate Rewards® points.
Chase Transfer Bonus to Marriott BonvoyUnfortunately, even with a 50% bonus, this isn't a great deal. Based on recent redemptions by AwardWallet users, Marriott Bonvoy points are worth around 0.94¢ each.
Members who did not re-achieve their existing Elite status in 2023 will be downgraded.These Members can enjoy their existing Elite status level until February 2024. Subsequently, starting March 2024, they will see their new Elite status with an expiration date of February 2025.
Does Marriott have Lifetime Titanium status? Yes, but only for those elites who were grandfathered into the program when Marriott and Starwood merged in 2018. If you had 750 elite nights and 10 years as a Platinum member with either Starwood or Marriott, you received Lifetime Titanium Elite status.
You must earn 600 Qualifying Nights and 10 years as Platinum Elite or higher to achieve Lifetime Platinum Elite status. Marriott Bonvoy® would love to welcome you to the Lifetime Platinum Elite community!
How long does Titanium status last? Marriott Bonvoy elite status is earned based on calendar year activity. When you earn elite status, you enjoy the benefits for the remainder of the current year and the 14 months that follow.
How much are 25,000 Marriott Bonvoy points worth? At 0.7 cents per point, 25,000 Marriott Bonvoy points are worth $175. If you get a value of 0.9 cents per point, 25,000 Marriott Bonvoy points translate to $225.
How many Marriott Bonvoy points can you buy? Since 2021, Marriott Bonvoy has imposed a limit of 100,000 points purchased per calendar year, up from 50,000 previously. This limit includes points purchased for yourself, plus points you receive that were purchased and gifted by others.