{"id":17604,"date":"2026-09-30T21:11:38","date_gmt":"2026-10-01T02:11:38","guid":{"rendered":"https:\/\/cartagenafortravelers.com\/la-boquilla-mangroves\/"},"modified":"2026-09-30T23:24:17","modified_gmt":"2026-10-01T04:24:17","slug":"la-boquilla-mangroves","status":"publish","type":"post","link":"https:\/\/www.cartagenafortravelers.com\/es\/la-boquilla-mangroves\/","title":{"rendered":"La Boquilla Mangroves: A Complete Guide to Cartagena’s Mangrove Tour"},"content":{"rendered":"

Just twenty to thirty minutes from Cartagena’s Walled City, the La Boquilla mangroves<\/strong> offer a completely different side of the Colombian Caribbean. Instead of cobblestones and colonial balconies, you glide in a wooden canoe through narrow green tunnels, watch herons hunt in the shallows and learn how a proud Afro-Colombian fishing community has lived alongside this ecosystem for generations. This guide explains what mangroves are, why they matter so much and how to plan a responsible, unforgettable mangrove tour in Cartagena, including our own private mangrove tour in La Boquilla<\/a>.<\/p>\n

What Are Mangroves?<\/h2>\n

Mangroves are trees and shrubs that have adapted to one of the harshest environments on Earth: the salty or brackish water where land meets sea in the tropics and subtropics. Most plants would die if their roots sat in salt water that rises and falls with the tides. Mangroves have evolved clever solutions, such as filtering salt at the roots, excreting it through their leaves and growing special roots that can “breathe” in waterlogged, oxygen-poor mud.<\/p>\n

A mangrove forest is not just a group of trees. It is a whole ecosystem, made up of the tangled roots, the muddy bottom, the channels of water and the enormous variety of life that depends on them, from microscopic algae to crabs, fish, birds and the people who fish there.<\/p>\n

The Ci\u00e9naga de la Virgen and the Juan Polo Lagoon<\/h2>\n

The Cartagena mangroves you visit from La Boquilla are part of the wetland system of the Ci\u00e9naga de la Virgen, also known as Ci\u00e9naga de Tesca. This is a large coastal lagoon on the northeastern side of the city. According to Cartagena’s environmental authority (EPA Cartagena), its water surface covers about 22.5 square kilometers, it is roughly 7 kilometers long and up to 4.5 kilometers wide, and it is very shallow, with a maximum depth of around 1.6 meters. Its eastern side holds an area of mangroves and marshland.<\/p>\n

The canoe tours from La Boquilla usually explore the smaller water bodies and channels at the northern end of this system, including the Ci\u00e9naga de Juan Polo. Local tradition says the lagoon is named after a fisherman who drowned there. Here the water is calm and the mangroves close in overhead, creating the famous tunnels that make this tour so photogenic.<\/p>\n

Mangrove Species You Will See<\/h2>\n

Three main mangrove species grow around La Boquilla. Learning to tell them apart makes the tour much more rewarding.<\/p>\n

Red Mangrove (Rhizophora mangle)<\/h3>\n

The red mangrove is the one most people picture: it stands on arching “prop roots” that look like stilts plunging into the water. These roots anchor the tree in soft mud and create a three-dimensional maze underwater where young fish can hide. Red mangroves usually grow at the water’s edge, so they form the walls of most of the tunnels you paddle through.<\/p>\n

Black Mangrove (Avicennia germinans)<\/h3>\n

The black mangrove grows a little further back. Look at the mud around its base and you will see hundreds of pencil-like spikes sticking up. These are pneumatophores, specialized roots that allow the tree to take in oxygen. Black mangroves also excrete salt through their leaves; on a dry day you may notice tiny salt crystals on the leaf surface.<\/p>\n

White Mangrove (Laguncularia racemosa)<\/h3>\n

The white mangrove typically grows on slightly higher ground. It has rounded, leathery leaves and small glands at the base of the leaf that help it get rid of excess salt. Together, these three species create the layered forest you see from the canoe. A related species, buttonwood (Conocarpus erectus), is also common in Caribbean mangrove areas, usually on the landward fringe.<\/p>\n

Wildlife in the La Boquilla Mangroves<\/h2>\n

Mangroves are wildlife magnets, and a quiet canoe is one of the best ways to see animals without disturbing them. What you see varies with the season, the tide and the time of day, but common sightings include:<\/p>\n