Hotel wise, there are many choices.
I’ve posted this video for the El Marqués, because I dig its history of pop culture icons who have spent time there. It seems reasonable price-wise; of course budgets fluctuate, but there are the usual suspects in Cartagena - Hilton etc. - but this place piques my imagination, with a history of people like John Lennon, and Gretta Garbo having spent time there…
There is a tonne of useful intro from this blog: http://juanita-pablo.blogspot.com/ - people who got married in Cartagena - From B&Bs to hotels there are deets. You should know that Cartagena is full of both beaches and culture; if you are central you will enjoy yourself - I imagine.












