The Bocas del Toro archipelago sits off Panama's Caribbean coast like a scattered handful of emeralds, and Bastimentos is its wildest gem. More than 80 species of coral build the reefs around the island, sheltering tropical fish, lobsters, octopuses, and sponges in water clear enough to see the bottom at depth. At Cayo Coral, snorkelers drift over living reef just below the surface. The Zapatilla Islands -- two small cays of white sand and crystal water -- mark the park's outer edge. Beneath the surface, seagrass beds provide critical habitat for the sea turtles that nest here: hawksbill, green, loggerhead, and leatherback, all returning between March and October to lay eggs on beaches like Playa Larga. Above the waterline, the forest begins immediately. Strangler figs and almond trees form a canopy dense with bromeliads and orchids, while coastal mangroves -- red, black, and white species -- filter the tidal zones between land and sea.

Bastimentos has been inhabited far longer than it has been a park. For centuries, indigenous peoples, fishermen, and navigators found shelter in the island's geography -- its protected bays, its abundant reefs, its freshwater sources. Today, Afro-Caribbean and Ngabe indigenous communities live on the island, their settlements predating the park's 1988 boundaries. The Ngabe communities maintain traditional practices, producing crafts -- wood carvings, beaded necklaces, woven textiles -- that are sold in the towns of Bastimentos and Isla Colon. Afro-Caribbean families contribute a culinary tradition built on coconut rice, fried fish, and plantains. The park was created to protect this coastline from the mounting pressures of tourism in the broader Bocas del Toro region, but it also protects the communities' way of life by limiting the development that has transformed other Caribbean islands into resort strips.

The strawberry poison-dart frog, Oophaga pumilio, is endemic to the forests of Central America's Caribbean lowlands, but on Bastimentos it has become an icon. The frogs inhabit the leaf litter and low vegetation near Red Frog Beach, their vivid coloring a warning to predators that their skin carries potent alkaloid toxins. They are not the island's only notable amphibian -- green iguanas bask at the forest edge, tree snakes thread through branches, and the endangered Bocas del Toro parrot, found nowhere else, calls from the canopy overhead. Sloths hang in the trees with their characteristic stillness. Capuchin monkeys crash through the understory. Toucans, herons, and kingfishers patrol the shoreline. The humidity rarely drops below 85 percent, rain falls throughout the year with no true dry season, and temperatures hold between 25 and 30 degrees Celsius. This is a landscape that never stops growing.

There are no roads to Bastimentos. From Panama City, a 45-minute flight lands at Isla Colon's airstrip, or a 10-hour bus ride to Almirante followed by a 30-minute boat crossing reaches the same archipelago by sea. From Isla Colon's Bocas Town, water taxis make the 10-to-20-minute crossing to Bastimentos for a few dollars. Once on the island, movement is by foot, kayak, or boat. Trails cut through the rainforest to beaches like Wizard and Red Frog, while guided boat tours navigate mangrove channels and hidden lagoons. Bahia Honda opens into a bay rich with wildlife, its mangrove roots teeming with juvenile fish. The Zapatilla Key trail connects jungle paths to beaches so white they look artificial. Eco-lodges -- some built over the water on stilts -- offer accommodation that ranges from rustic to refined, but nowhere on the island do you forget that the park came first and the infrastructure came second.