Celebrity Cruises vs. Celebrity's Xpedition Cruises

. Xploration carries just 16 passengers, while Xpedition takes 48. The new ship, Celebrity Flora, carries 100. In contrast, the smallest of Celebrity's mainstream fleet is Millennium, carrying 2,138 and weighs 91,000 tons.

No Lawn Club, no atrium, no Qsine, no Martini Bar, no kids' clubs -- this is a much simpler setup, with friendly bartenders, plentiful food, expert naturalist guides and a backdrop of stunning scenery and extraordinary wildlife. Having said that, there are some features that Celebrity fans will find familiar: The beds with the curved edges, the gray swimming towels, the X on the funnel, for example. Celebrity Flora has more similarities to the big ships, in particular Celebrity Edge, in terms of its clever "infinite veranda" cabins.

. To sail in the Galapagos, cruise ships must be flagged in Ecuador, with a crew that comes primarily from that country. Ecuadorans have a reputation for being friendly and because the ships are so small, the crew quickly learn your name and your favorite drink or how you take your tea. Senior officers go through the same training and operate to the same protocols as those on Celebrity's big ships.

. It's excellent, but don't expect the range of restaurants you find on Celebrity's bigger ships; Xpedition and Flora have two each, plus cabin service, while the smaller ship has one, as well as outdoor dining when the weather permits. A lot of local ingredients are used in the food; fish is bought from local fishermen, and ceviche soups feature most days, as do tropical fruits, palm hearts, different corns and quinoa, all of which are Ecuadorian specialities. Some dishes have a more personal touch than you'd find on a big ship, like the homemade ice cream.

. So while it comes with a higher price tag than the big ships (which is usual for this destination), you spend no money once you're onboard, unless you buy things from the shop. All drinks are included, all meals, all excursions, park fees and all equipment like wetsuits, masks and snorkels, which are top quality. There's no tipping, either, unless you want to add something extra into the tips box at Reception. But, don't expect bargains. Even a last-minute deal will cost four or five times more per night than a late deal in, say, the Caribbean.

. For now, anyway. Xploration is an old ship, built long before balconies became fashionable, so the higher category cabins have picture windows and the lower categories, portholes. On Xpedition, accommodation is more luxurious -- the suites have verandas, for example. Flora, on the other hand, is all-suite, and the rooms are stunning and modern. Cabins on all ships do come with a few familiar Celebrity trappings like bathrobes, mini-bar, fruit baskets and turn-down service. Instead of bottled water, every guest is given a reusable plastic flask, which can be refilled from water stations all around the ship -- on on Celebrity Flora, in your room. The flask is yours to keep. There are no accessible cabins; Celebrity, like other lines in the Galapagos, makes it clear that the destination is not suitable for wheelchair users.

. If you're going to the Galapagos, you have to get used to the Zodiac inflatables (which most people love). Even when it's in Baltra or Puerto Ayora, the only two centers of population you will visit, the vessel is at anchor and the Zodiacs are used to ferry passengers ashore and, once a week, supplies and luggage. A degree of agility is needed to get on and off, especially when the sea is choppy.

It's not necessary, as you don't sign for anything; getting on and off the ship is handled the old-fashioned way, with an officer checking names off a list, although Flora is more high-tech and there are SeaPass cards. On the older ships, there are no door keys for cabins unless you specifically request one, but safes are provided.

. If there is such a person, that is. Many will never have cruised before. Ages ranged from 30s to 80s, although the Galapagos is a family destination and you will encounter quite a few families during school vacations. Essentially, though, the Galapagos is a bucket-list destination and everybody has a special reason to be there; you don't meet people who have booked a cruise purely on the basis of a last-minute deal.

On the big ships, evening dress code is either "smart casual" or "evening chic" but in the Galapagos, it's dress as you please. By day, the packing list advises lightweight fabrics in neutral colors and sturdy footwear. In the evenings, it's very casual, as well although a few people made an effort on the last night.

. This fosters a happy, house party atmosphere. Most people book the pre-cruise package that starts and finishes in Quito, including sightseeing, meals and three nights in the JW Marriott, so friendships are struck up before even arriving in the Galapagos. Onboard, it's open seating dining, with everybody eating at the same time. Because all excursions are included, the tours and activities have a friendly spirit, too, for example, people choosing to snorkel together, or joining the same hike. After the cruise, expect everyone to share photos on social media.

. There are no distractions like art auctions or shows in the evenings. Instead, expect talks on wildlife, David Attenborough documentaries and on the penultimate night, a quiz about the Galapagos. If you're lucky enough to have a talented guide, you might get singing and guitar playing, too. Nightlife stretches to a couple of drinks in the bar and a spot of stargazing, but that's all. There are TVs in the cabins but they only show a couple of local channels. There is free Wi-Fi but it's so slow most people didn't bother.