Short answer: the city gets the midnight, the island gets the morning after
New Year's Eve in Cartagena happens inside the walls. That is where the crowds, the fireworks and the late tables are, and if midnight matters to you, that is where you should be standing. The islands get the other half of the deal: an empty beach on the first of January while the city sleeps it off.
We live 25 minutes offshore on Tierra Bomba, so we have watched guests make this choice every year. Both versions work. What does not work is deciding at 4pm on the 31st, because by then the last boat is about to go.
Book earlier than feels reasonable
Mid December to mid January is the busiest tourist period of the year in Cartagena, and it is not close. Colombians travel to the coast for the holidays at the same time international visitors do, so hotels, restaurant tables and boats all fill at once. Local advice is to lock in accommodation at least a few months ahead, and that matches what we see in our own eleven rooms: the end of December goes long before the rest of the calendar does.
If you want a specific table for the 31st, book that early too. A restaurant that takes walk-ins all November will not be taking them that night.
Where the night actually happens
The old city walls. The fortifications that ring the historic centre are walkable in long stretches, and on the 31st people climb up to them for the same reason they do on any other night: it is the one place you can see over the rooftops and out to the water. Fireworks go up over the sea around midnight and the wall is the free vantage point. Go up well before twelve if you want space to stand.
El Camellón de los Mártires. The open walkway between Getsemaní and the walled city, lined with palms and busts of executed independence martyrs. Locals point to it as a good fireworks spot precisely because it is open ground rather than a narrow colonial street, which is worth knowing if crowds in tight lanes are not your idea of a good time.
Getsemaní. The neighbourhood just outside the wall, and the one that behaves least like a postcard. Plaza de la Trinidad is where people sit on the church steps with a beer most evenings of the year, and New Year's Eve is that turned up. It is a walk of a few minutes from the walled city, so you can do both.
Two traditions that will happen around you
At midnight you will be handed grapes. Twelve of them, one per chime, each with a wish attached, and you are expected to get through the lot. You will also see cotillones being passed around: bags of hats, whistles and confetti that appear on restaurant tables and in the street about ten minutes before the hour. Neither is optional in any meaningful social sense. Take the grapes.
You will also see a life-sized doll or two, the Año Viejo, stuffed with old clothes and burned or blown up at midnight to see the old year off. It is more common in the neighbourhoods than in the tourist centre.
The island version, and the boat that decides it
Here is the practical bit if you are looking at an island stay over New Year. Our boat leaves the Muelle de la Bodeguita in Cartagena at 10am, 11:30am and 5pm, and comes back from us at 4pm and 5:30pm. There is no bridge to Tierra Bomba and no road, so that timetable is not a suggestion. If you are sleeping on the island, you are on the island at midnight. If you want the wall and the fireworks, you need a bed in the city that night.
Plenty of people split it, and we think that is the better trip: the city for the 31st, the boat out on the morning of the 1st, and a very quiet beach for the first day of the year while Cartagena recovers. Our own sister property, Townhouse, sits in the walled city, which makes that split easier to arrange in one conversation.
One more thing worth planning around: there is no mobile signal on our part of the island, so WhatsApp over wifi is how you reach us, and we answer reservations messages between 9am and 9pm.
What we are doing on the 31st
Our end of year plans change from year to year, and we would rather tell you what is actually happening than publish something optimistic in September. Message us on WhatsApp and we will tell you what the boat schedule, the kitchen and the beach club are doing over the holidays that year. What we can promise is the first of January: the sea, the volcanic sand outside our gate, and almost nobody else awake. See you on the boat.