St Kitts vs Grenada vs Antigua: Which Passport?

Nine times out of ten, when a family sits down across from me at the Four Seasons and asks "which Caribbean passport is best," what they actually want is permission to stop reading brochures. I understand the impulse. Every program's website tells you it's the fastest, the cheapest, the most respected, and the smartest choice for your family. They can't all be right, and frankly none of them are trying to be — they're trying to sell you a product I don't sell.

So let me do the thing the marketing pages won't: put St Kitts & Nevis, Grenada, and Antigua & Barbuda side by side, tell you where each one genuinely wins, and — more usefully — where each one quietly loses. There is no single "best" passport here. There is a best passport for your situation, and the gap between those two ideas is where most people overpay.

The short answer

For most families, the choice comes down to three things: who's in your household, whether you want a foothold in the United States, and how much program pedigree matters to you. Pick Antigua & Barbuda if you have a large family — it's the best value once you're four or more people, and unbeatable for six-plus through its university fund. Pick Grenada if the US matters, because it's the only one of the three with an E-2 treaty pathway and visa-free access to China. Pick St Kitts & Nevis if you want the oldest, most established program and the fastest processing, and you're willing to pay a modest premium for that pedigree. All three now sit above the region's harmonised US$200,000 floor, all three deliver a strong Commonwealth passport, and all three now sit under the new regional regulator, ECCIRA, which is standing itself up in phases through 2026 — so this is a decision about fit, not about which one is "legitimate."

The three programs at a glance

All three raised their prices and tightened their rules under the 2024 regional agreement, and all three now sit under the Eastern Caribbean Citizenship by Investment Regulatory Authority (ECCIRA) — a single regional regulator headquartered in Grenada, signed into existence by all five governments in September 2025 and ratified by all five by December 2025. Worth being precise about the timing: it is being built out program by program through 2026 rather than switching on in one go, so treat "ECCIRA-regulated" as a direction of travel with real teeth coming, not a finished system. If you want the background on why prices jumped and what the new regulator changes, I wrote that up separately in the Caribbean CBI price hikes and the new regulator.

Here's the honest headline comparison, current as of writing:

• Antigua & Barbuda — donation from US$230,000 (covers a family of up to four); real estate from US$300,000; a University of the West Indies fund route at US$260,000 for families of six or more.
• Grenada — donation from US$235,000 (covers a family of up to four); real estate from US$350,000 for a sole purchase — US$270,000 per share only on a qualifying two-buyer co-purchase — resellable after five years.
• St Kitts & Nevis — donation (the "Sustainable Island State Contribution") from US$250,000 (covers a family of up to four); real estate from US$325,000, resellable after seven years.

Those are contribution figures, not all-in costs. Add due diligence fees, government processing fees, passport fees, and professional fees to every one of them — realistically another US$15,000–US$40,000 depending on family size and route. Anyone quoting you the headline number as your final bill is doing you a disservice.

The side-by-side

This is the table the rest of the article argues with. If you read nothing else on this page, read this.

What that all-in row actually is

I said above that fees add roughly US$15,000–US$40,000. Here is that arithmetic done rather than gestured at, for a family of four taking the donation route:

• Antigua & Barbuda: US$230,000 + US$15,000–US$40,000 = US$245,000–US$270,000
• Grenada: US$235,000 + US$15,000–US$40,000 = US$250,000–US$275,000
• St Kitts & Nevis: US$250,000 + US$15,000–US$40,000 = US$265,000–US$290,000

Three honest caveats on those numbers. The fee range is wide because it genuinely is wide — it moves with family size, the ages of your dependants (due-diligence fees typically attach per dependant aged 16 and over), your nationality and the complexity of your source-of-funds file. The ranges overlap, which is the real finding: the US$20,000 headline gap between Antigua and St Kitts is comfortably inside the fee variance, so the "cheapest" program on the brochure is not reliably the cheapest program on your invoice. And every figure here is the donation route — a real estate route adds closing costs on the way in, closing costs on the way out, and five to seven years of carrying charges in between, none of which appear above.

Why Dominica and St. Lucia aren't in this comparison

Fair question, since there are five Caribbean programs and this article covers three. I've left the other two out because both currently carry a specific mobility or timing problem that changes the conversation rather than adding to it: Dominica lost UK visa-free access in July 2023 and was named alongside Antigua in the December 2025 US proclamation, and St. Lucia lost UK visa-free access in March 2026 and runs the longest processing queue of the five, around 18 months on agent-reported averages. Both are legitimate programs with real strengths — Dominica is the cheapest entry point in the region with the shortest real estate hold, and St. Lucia runs the only quasi-refundable bond route anywhere in the Caribbean. If either belongs on your shortlist, they get the same treatment as these three in the objective audit of every Caribbean CBI program.

Cost: contribution vs real estate, and what it really means

The single most misunderstood point in this market: the donation is a cost, but real estate is usually the more expensive path, not the cheaper one. People assume "I'll just buy property and get my money back," then discover the approved unit costs more than the donation, sells at a haircut, and ties up their capital for five to seven years in a shallow resale market. I laid out two real scenarios in donation vs real estate: two case studies, and the truth about Caribbean rental returns is in why Caribbean rental cashflow is harder than it looks.

If your only goal is the passport, the donation route is almost always the right call: it's cheaper, faster, and cleaner. Choose real estate only if you genuinely want to own something on the island and you've done the underwriting as a property deal on its own merits — not as a passport with a rebate attached.

Grenada's two trump cards: the US and China

Grenada has two things the other two simply don't.

First, China. Grenada has held a mutual visa-free arrangement with China since 2015, giving Grenadian passport holders visa-free entry to the mainland. Neither St Kitts nor Antigua offers that. If you do business in or travel frequently to China, that alone can decide it.

Second, the US E-2 treaty. Grenada is one of a small number of CBI countries whose citizens can apply for the E-2 Treaty Investor visa — a renewable, long-term way to live in the United States and run a business there. This is the feature that fills conference rooms.

But here's the uncomfortable part the brochures skip, and I'm going to state it flatly because it is not in doubt: a domicile provision added to US law in December 2022, through Section 5901 of the FY2023 National Defense Authorization Act, requires anyone who acquired treaty-country citizenship by investment to have been continuously domiciled in that country for at least three years before applying for an E-1 or E-2 visa. Domicile is a legal-ties test, not a day count — it means genuinely making Grenada your home for three years, which most donation-route buyers never intended to do. It is no longer the instant American backdoor some agents still pitch. It's a real pathway, but slower and more conditional, and it needs proper US immigration counsel. Treat any pitch that glosses over this with suspicion. If US access is your primary aim, read second citizenship for Americans: insurance, not tax first.

Grenada also offers the broadest family definition of the three, extending to parents, grandparents, and siblings under one application — useful for multi-generational households. You can read the country-specific detail on my Grenada page.

Antigua's family math (and the residency asterisk)

Antigua's pitch is value for larger households, and the math backs it up. Because the base contribution covers a family of up to four, a single applicant effectively subsidises the program — you pay the same US$230,000 whether you're one person or four. So Antigua is poor value for a single applicant and excellent value for a family. For six or more, the University of the West Indies fund route at US$260,000 is the cheapest per-head deal anywhere in the Caribbean, provided you understand it funds a scholarship obligation.

The asterisk: Antigua is the only one of the three that requires you to physically show up. You must spend at least 30 days on the islands within the first five years — up from five — to renew your passport. The thirty is applied administratively; the Citizenship by Investment (Amendment) Bill 2026 that would enact it was presented on 14 July 2026 and I cannot confirm it has passed, so treat thirty as the working number. Thirty days over five years is hardly onerous — a couple of holidays — but if your entire premise is "I never want to set foot there," Antigua technically breaks that promise where St Kitts and Grenada don't. It's a small thing, but it belongs in the decision. The country detail lives on my Antigua & Barbuda page.

St Kitts: the blue-chip original

St Kitts & Nevis runs the world's oldest citizenship-by-investment program, dating to 1984, and that pedigree is not nothing. When a bank compliance officer or a border agent sees a St Kitts passport, they've seen it for forty years. That familiarity has real, if unglamorous, value.

It's also the fastest, with an accelerated processing track that can compress the timeline meaningfully when speed genuinely matters — and it asks nothing of you in terms of physical presence. The trade-off is simply price: at US$250,000 for the donation and US$325,000 for real estate, it's the most expensive of the three by headline. You're paying a modest premium for the longest track record and the quickest turnaround — and for some clients that's money well spent. My St Kitts & Nevis page has the country detail, and if you're weighing the islands as a place to actually own property, Nevis is a genuinely undervalued market.

So which one for whom?

Here's how I'd actually steer people:

• Single applicant, cost-sensitive, no US angle: the numbers are close enough that I'd let processing speed and your own gut on the passport brand break the tie. St Kitts if speed and pedigree matter; otherwise Grenada or Antigua.
• Family of four or more: Antigua on price, unless you want Grenada's China or E-2 access. For six or more, Antigua's university route is hard to beat.
• You care about the United States: Grenada, with clear eyes about the tightened E-2 domicile rules and proper US counsel lined up.
• You do business with or travel to China: Grenada, full stop.
• You want the safest, most recognised, fastest option and price is secondary: St Kitts & Nevis.

And one meta-point that matters more than any feature comparison: the biggest risk in any of these programs isn't picking the "wrong" island — it's a botched application. The overwhelming majority of denials come from avoidable due-diligence and disclosure problems, not from the country you chose. I unpack that in the real reason CBI applications get denied. Get the file right and any of these three serves you well.

A note on advice: I'm a real-estate and investment-migration advisor, not a lawyer, tax adviser, or US immigration attorney. Everything here is general information, current as of writing — program rules, fees, and E-2 eligibility change often. Confirm the specifics with licensed counsel before you commit capital.

Key takeaways

• All three programs now sit above the region's harmonised US$200,000 floor and under the new ECCIRA regulator, which is standing itself up in phases through 2026 — this is a fit decision, not a legitimacy decision.
• Antigua (from US$230,000) wins on family value, especially six-plus via its university route, but requires 30 days on-island within five years.
• Grenada (from US$235,000) is the only one with a US E-2 pathway and China visa-free access — but a December 2022 US statutory change requires three continuous years' domicile in Grenada for investment-acquired citizens before an E-1 or E-2 application.
• St Kitts (from US$250,000) is the oldest, most recognised, and fastest program — you pay a modest premium for pedigree and speed.
• The donation route is usually cheaper, faster, and cleaner than real estate; choose property only if you'd want to own it on its own merits.
• Headline contribution figures exclude due diligence, government, and professional fees — budget another US$15,000–US$40,000, which puts a realistic donation-route family of four at roughly US$245,000–US$270,000 (Antigua), US$250,000–US$275,000 (Grenada) or US$265,000–US$290,000 (St Kitts).
• Those ranges overlap, so the cheapest headline is not reliably the cheapest invoice — compare all-in, for your own family.
• The biggest risk is a mishandled application, not the island you pick.

Frequently asked questions

Which Caribbean passport is the cheapest? By headline donation, Antigua & Barbuda is lowest at US$230,000 for a family of up to four, just ahead of Grenada at US$235,000 and St Kitts at US$250,000. Add the US$15,000–US$40,000 fee stack and a realistic family-of-four donation route lands at roughly US$245,000–US$270,000 in Antigua, US$250,000–US$275,000 in Grenada and US$265,000–US$290,000 in St Kitts. Those ranges overlap, which is the point: once fees are in, the "cheapest" title can shift. Compare all-in cost for your family size, not the headline.

Which one gives access to the United States? Only Grenada offers a route toward the US E-2 Treaty Investor visa among these three. But a December 2022 change to US law — Section 5901 of the FY2023 National Defense Authorization Act — requires anyone who acquired treaty-country citizenship by investment to have been continuously domiciled there for at least three years before applying. So it is not an instant US residency solution, and it requires dedicated US immigration counsel.

Do I have to live on the island? St Kitts and Grenada impose no physical residency requirement. Antigua requires a minimum of 30 days on the islands within the first five years — up from five, applied administratively while the July 2026 Amendment Bill that formalises it awaits passage — the only real-presence requirement of the three, and still a modest one.

Which passport lets me travel to the most countries? St Kitts & Nevis, at 155 destinations visa-free or visa-on-arrival, just ahead of Antigua & Barbuda at 154 and Grenada at 147 — Henley Passport Index, 2026. All three include the Schengen Area and, with prior authorisation, the UK. Grenada trades a few destinations for the one the other two can't offer at all: visa-free access to China.

Is real estate a better deal than the donation? Usually not, if the passport is your goal. Approved real estate typically costs more than the donation, ties up capital for five to seven years, and sells into a thin resale market. Choose property only if you genuinely want to own it as an investment on its own terms.

How long does the process take? On agent-reported averages, St Kitts & Nevis is the fastest of the five Caribbean programs at around five months and offers an accelerated track; Grenada runs around seven months; Antigua is closer to fourteen, the second-slowest of the five. Those are averages, not quotes — a clean, well-prepared application is the single biggest driver of speed on any of them.

If you want an honest, independent read on which of these three actually fits your household — with no developer or program paying me to steer you — book a private call. For the wider landscape beyond these three, start with my Caribbean citizenship-by-investment overview and the objective audit of every Caribbean CBI program.