CHECK-IN AGE AND HOTEL POLICIES
Courtyard by Marriott Detroit Downtown
Courtyard by Marriott Detroit Downtown lists a minimum check-in age of 21 on its official property source.
333 East Jefferson Ave, Detroit, Michigan, USA, 48226
Age policy last verified (18 days ago)
Courtyard by Marriott Detroit Downtown: the check-in answer
Courtyard by Marriott Detroit Downtown lists a minimum check-in age of 21 on its official property source.
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Booking links do not confirm check-in eligibility. Confirm age, ID, card and deposit requirements with the hotel.
Listed minimum age: 21. Enter your age to check it.
Travellers under 21 are below the listed minimum check-in age at Courtyard Detroit Downtown. Among 7 reviewed Detroit hotels, 1 list 18 or lower and 6 list 21 or older. Marriott does not publish one check-in age for every address. Photo ID, payment card and deposit rules are not confirmed in the reviewed evidence.
Under 21? Nearby 18+ hotels
Courtyard by Marriott Detroit Downtown lists a minimum check-in age of 21. These other reviewed Detroit hotels list 18 or lower. A listed age is not a booking confirmation.
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- ROOST DetroitListed minimum check-in age 18
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This compares your age with the published threshold only; confirm ID, card and deposit with Courtyard Detroit Downtown before paying.
More rules for your stay
Age eligibility, payment and other policies are checked separately.
What else do I need?
Each field keeps its own source and review date. “Not stated” does not mean “not required.”
- Identification Unknown
- Courtyard Detroit Downtown does not state a photo ID rule on the reviewed official page — ask the hotel.
- Payment card Unknown
- Courtyard Detroit Downtown does not state who must present the card on the reviewed official page.
- Deposit or hold Unknown
- Courtyard Detroit Downtown does not state a deposit amount or payment method on the reviewed official page.
- Room availability
- Not checked. Visit the hotel website for your dates.
Does Marriott allow 18-year-olds to check in? covers the brand pattern. Someone else paying? Check guest names, card authorization and arrival deadlines before booking.
Policy evidence for Courtyard Detroit Downtown
“Not stated” does not mean “not required.” Each field keeps its own source and review date. A 24-hour desk does not guarantee a booking will be held after midnight.
Deposit and payment Not yet reviewed
This module has not yet been verified for this hotel. Ask the property before paying.
Pets Not yet reviewed
This module has not yet been verified for this hotel. Ask the property before paying.
Resort or destination fee Not yet reviewed
This module has not yet been verified for this hotel. Ask the property before paying.
Parking Not yet reviewed
This module has not yet been verified for this hotel. Ask the property before paying.
Arrival and departure Not yet reviewed
This module has not yet been verified for this hotel. Ask the property before paying.
Explore booking options for Courtyard by Marriott Detroit Downtown
Choose your dates and occupancy on Expedia or Booking.com.
Sponsored · Booking.com and Expedia affiliate links. We may earn a commission at no extra cost to you.
Booking links do not confirm check-in eligibility. Confirm age, ID, card and deposit requirements with the hotel.
Listed minimum age: 21. Enter your age to check it.
CheckInAge does not display room prices or availability. Booking links do not change the documented age result.
Property facts and age evidence
- Street address
- 333 East Jefferson Ave
- City and state
- Detroit, MI 48226
- Chain
- Marriott
- Listed minimum age
- 21
- Official source
- marriott.com
- Last verified
- Review due by
What the official page says
The exact property's official overview states a minimum check-in age of 21.
Questions about Courtyard by Marriott Detroit Downtown
What is the check-in age at Courtyard Detroit Downtown?
Courtyard Detroit Downtown lists a minimum check-in age of 21 on its official property page (marriott.com), reviewed Oct 3, 2026.
Can an 18-year-old check in alone at Courtyard Detroit Downtown?
Courtyard Detroit Downtown lists a standard minimum of 21, so age 18 is below its requirement.
How does Courtyard Detroit Downtown compare with other Detroit hotels?
CheckInAge has reviewed 7 Detroit hotels: 1 list a minimum age of 18 or lower, 6 list 21 or older. Courtyard Detroit Downtown lists a minimum of 21. This is our reviewed sample, not every Detroit hotel.
What ID, card and deposit does Courtyard Detroit Downtown state?
The reviewed evidence for Courtyard Detroit Downtown does not confirm an identification, payment-card or deposit rule, so ask the hotel before paying.
Other Marriott hotels in Detroit
We have reviewed 5 other Marriott hotels in Detroit; 0 currently list a minimum age of 18 or lower. Each address has its own rule, so one hotel’s age does not carry over to another.
- Detroit Marriott at the Renaissance Center — listed minimum 21
- Hotel David Whitney, Autograph Collection — listed minimum 21
- JW Marriott Detroit Water Square — listed minimum 21
- MGM Grand Detroit — listed minimum 21
- The Westin Book Cadillac Detroit — listed minimum 21
Policy revision history
Earlier versions stay public.
| Version | Minimum | Source reviewed | Published |
|---|---|---|---|
| 2 · current | 21 | Oct 3, 2026 | Oct 3, 2026 |
| 1 | 21 | Sep 30, 2026 | Sep 30, 2026 |
Policies in Detroit
Help keep this policy accurate
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