starwood preferred guest login

If you had a Marriott Rewards login or an SPG login (Starwood login or Starwood Preferred Guest login), they are now Bonvoy accounts (with new membership numbers, so now you have a Marriott Bonvoy Login. If you had accounts in more than one program, you are encouraged to merge what were Marriott, Ritz-Carlton and SPG accounts into a single account. lunar login