The Costco Anywhere Visa and Marriott Bonvoy Boundless are closely matched. Costco Anywhere Visa wins on 2 categories (no current bonus); Marriott Bonvoy Boundless wins on 2 (125,000 pts signup bonus). The better pick depends on your spending patterns.
Costco Anywhere Visa vs Marriott Bonvoy Boundless
Get the clearer winner first, see the specific exception case, and only personalize further if the decision is genuinely close.
This comparison is too close for a one-size-fits-most winner.
The structural tradeoffs are close enough that fee tolerance, category mix, and rewards ecosystem should drive the final decision.
Use the light personalization step below if you want to break the tie without sharing a statement yet.
Neither card cleanly wins on this page, so the exception case is effectively the main case.
Why we picked this winner
- Costco Anywhere Visa wins 2 of 4 comparison categories in CardCurator's quick verdict model.
- Top earn rate: Costco Anywhere Visa reaches 5x; Marriott Bonvoy Boundless reaches 17x.
- Annual fee: Costco Anywhere Visa is no annual fee; Marriott Bonvoy Boundless is $95/yr.
- Current public bonus values are approximately $0 and $1250.
Close call
The measurable gap is narrow, so your actual spend mix and card ecosystem matter more than the headline winner.
Which Card Comes Out Ahead?
Costco Anywhere Visa and Marriott Bonvoy Boundless are close enough that the better pick depends on where you spend most, how much value you get from perks, and whether you prefer one rewards ecosystem over the other.
Best if you will actually use recurring statement credits and premium benefits.
Best if your main priority is the larger current welcome offer.
Why you can trust this answer
CardCurator compares measurable card economics first, then uses deeper rewards intelligence from program data, transfer partners, award charts, and live bonuses when a decision depends on the ecosystem behind the card rather than the card headline alone.
Personalize this answer without sharing sensitive data
Start with a few signals that usually decide close matchups: rough monthly spend, your top category, annual-fee tolerance, and whether you already hold either card.
This step is meant to break close ties without asking for uploads, account creation, or exact spending data.
Marriott Bonvoy Boundless
Assumptions: default assumptions
Marriott Bonvoy Boundless still comes out ahead after a light personalization pass, which suggests the recommendation is fairly robust.
- Gas at Costco 5x
- Eligible Gas and EV Charging 4x
- Restaurants 3x
- hotels participating in Marriott Bonvoy 17x
- gas stations, grocery stores and dining 3x
- All Other Purchases 2x
- Costco Membership $65
- Marriot Gold StatusAfter $35,000 spend
- 1 Elite Night CreditAfter $5,000 spend
- United MileagePlus
Quick summary
A short version of the comparison with the main differences at a glance.
The Costco Anywhere Visa and Marriott Bonvoy Boundless are closely matched. Costco Anywhere Visa wins on 2 categories (no current bonus); Marriott Bonvoy Boundless wins on 2 (125,000 pts signup bonus). The better pick depends on your spending patterns. On raw upside, Costco Anywhere Visa tops out at 5x versus 17x for Marriott Bonvoy Boundless. Current signup bonus values are roughly $0 for Costco Anywhere Visa and $1250 for Marriott Bonvoy Boundless. Summary generated July 26, 2026. Source: https://cardcurator.ai/compare/costco-anywhere-visa-vs-marriott-bonvoy-boundless
- Costco Anywhere Visa wins 2 of 4 comparison categories in CardCurator's quick verdict model.
- Top earn rate: Costco Anywhere Visa reaches 5x; Marriott Bonvoy Boundless reaches 17x.
- Annual fee: Costco Anywhere Visa is no annual fee; Marriott Bonvoy Boundless is $95/yr.
- Current public bonus values are approximately $0 and $1250.
Common Questions: Costco Anywhere Visa vs Marriott Bonvoy Boundless
Is the Costco Anywhere Visa or Marriott Bonvoy Boundless better for dining?
Costco Anywhere Visa earns 3x on dining; Marriott Bonvoy Boundless earns 3x on dining. Costco Anywhere Visa wins for dining.
Which has the higher signup bonus in 2026?
Costco Anywhere Visa currently offers no current bonus. Marriott Bonvoy Boundless offers 125,000 pts signup bonus (spend $3,000 in 3 months). Marriott Bonvoy Boundless has the larger bonus.
Which card is better for international travel?
Both cards charge no foreign transaction fees, making either a solid choice for international travel.
Can I hold both the Costco Anywhere Visa and the Marriott Bonvoy Boundless?
In most cases yes — holding both is allowed and can be a smart strategy for maximizing rewards across different spending categories. Costco Anywhere Visa is from Citi and Marriott Bonvoy Boundless is from Chase, so they're governed by separate bank policies.
Keep Researching
If this matchup is close, the stronger next step is usually to read the full card reviews or use a broader ranking page instead of comparing random pairs one by one.