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Celebrity Cruises · Ship class

Millennium Class

The small ships that go where the big ones can't — and keep the Celebrity standard intact.

Four sisters launched between 2000 and 2002, each rebuilt under the Celebrity Revolution programme with new staterooms, new suites, The Retreat and a reworked pool deck. They carry roughly a third fewer guests than the Edge Series, which is precisely the point: they berth in smaller ports, sail longer and further, and feel comfortably calm from the first sea day.

What defines this class

The Millennium experience, in plain English.

Size

Approximately 91,000 GT, around 2,100–2,200 guests. Modest by modern standards — quick to board, easy to learn, and never a queue for the lifts.

Style

Classic Celebrity, quietly updated. Tiered aft dining rooms, a glass-roofed Solarium, a proper promenade feel and one of the best-value suite tiers at sea.

Suits

Couples and experienced cruisers chasing itineraries rather than waterslides — Japan, Alaska, Asia, the Panama Canal, South America and long Mediterranean voyages.

Standout features

What sets these ships apart.

A high-level look — we'll happily go deeper on any of these when we speak.

Itinerary-first ships

Their size opens up ports the Edge and Solstice ships simply cannot enter. If your holiday is really about where you're going, this is the class that gets you there.

The Retreat

Suite guests get Luminae, the Retreat Lounge, a private sundeck and butler service — the same headline suite experience as the newest ships, on a far more intimate scale.

Celebrity Revolution refits

All four were substantially rebuilt from 2019 onwards: new bedding and bathrooms, restyled public rooms, new speciality venues and refreshed Solariums. They do not feel like 2001 ships inside.

Dining on a human scale

Tuscan Grille, Sushi on Five and the Rooftop Garden Grill among them, plus the class's signature two-deck main dining room with the aft windows. Easier to get the table and time you actually want.

All Included fares

Most UK Millennium-class fares bundle drinks, Wi-Fi and tips. We'll tell you honestly whether the standard package covers what you'll drink before you pay to upgrade.

A quieter ship overall

No waterparks, no ice rinks, few big-production gimmicks. Fewer guests, more space per person, and sea days that stay genuinely restful.

The ships in this class

Sister ships, considered choices.

Same class, but the newer ships add features and refine layouts. We'll help you weigh year, refit and itinerary together.

Celebrity Constellation

Photo: Falk2 / Wikimedia Commons, CC BY-SA 4.0

Celebrity Constellation

2002 · newest in the class

The last of the four and a long-standing Mediterranean and Northern Europe favourite, with strong transatlantic repositioning seasons. Revitalised again in April 2024 with refreshed suites, staterooms and public rooms.

Explore Celebrity Constellation
Celebrity Summit

Photo: Master0Garfield / Wikimedia Commons, CC BY-SA 4.0

Celebrity Summit

2001

The North American regular — Bermuda from the north-east, Caribbean winters, Alaska summers and Canada/New England in autumn. Extensively rebuilt in 2019 as the first ship of the Celebrity Revolution programme.

Explore Celebrity Summit
Celebrity Infinity

Photo: Wikimedia Commons, CC BY 2.0

Celebrity Infinity

2001

The long-voyage specialist: South America, the Panama Canal, Antarctic-adjacent scenic cruising and slow Mediterranean seasons. A ship for people who like being at sea, not just in port.

Explore Celebrity Infinity
Celebrity Millennium

Photo: Gillfoto / Wikimedia Commons, CC BY-SA 4.0

Celebrity Millennium

2000 · the original

The ship that named the class, and the one that pioneered Celebrity in Asia and Japan. Alaska summers, Asia winters — arguably the most interesting deployment in the fleet.

Explore Celebrity Millennium

Fleet lists change. If a ship you've heard about isn't here, or you're weighing two side by side — just ask.

Who this class is best for

Is this the right ship for you?

Honest note: If you're travelling with children who want waterslides, ice rinks and big theatre spectacle, this is the wrong class — Royal Caribbean is the better fit. And if the newest design at sea matters to you, the Edge Series is where to spend.

  • Couples and experienced cruisers who want the destination to be the headline, not the ship
  • Japan, Alaska, Asia, South America and Panama Canal itineraries the larger ships can't sail
  • Anyone who prefers a smaller ship: quicker embarkation, calmer sea days, familiar faces by day three
  • Guests who want The Retreat suite experience at a noticeably gentler fare
  • First-time premium cruisers nervous about being lost on a 5,000-guest ship

Ready when you are

Book a free consultation.

Twenty unhurried minutes with a named specialist. No obligation, no hard sell — just honest cruise advice.