Akumal — which means "Place of the Turtles" in Mayan — is a small bay 30 kilometers south of Playa del Carmen where green sea turtles and loggerheads feed on seagrass in water shallow enough to stand in. It's one of the most reliable sea turtle snorkeling experiences in the world. It's also heavily managed, heavily visited, and requires some planning to experience well.
Getting there from Playa del Carmen
Colectivo: The cheapest and most local option. Take a colectivo (shared van) from the Playa del Carmen colectivo stop on Av. 25 toward Tulum — all southbound colectivos pass through Akumal. Fare: $30–40 MXN. Ask the driver to drop you at "Akumal." Journey: 30–40 minutes. The colectivo drops you on the highway — it's a 5-minute walk to the bay.
ADO bus: Playa del Carmen to Tulum buses stop at Akumal on request. $60–80 MXN one way. Less frequent than colectivos.
Rental car or taxi: $150–250 MXN by taxi from Playa. Parking is available at Akumal for those with cars.
What to expect at the bay
Akumal Bay is a protected marine area. Upon arrival, you must hire a certified guide ($15–25 USD including snorkel equipment) — this is legally required and enforced by the guides' cooperative. The guides control group size and behavior to protect the turtles. You enter the water in small groups and follow the guide to where the turtles are feeding.
The turtles are almost always present — they feed in the seagrass beds throughout the day. Encounters typically involve 2–5 turtles at a time, at depths of 1–4 meters, close enough to photograph clearly with a standard waterproof camera or phone case. The guides enforce a strict no-touching policy.
Timing
Arrive before 9am for the best experience. By 10am the bay is crowded with tour groups, and the turtle-to-snorkeler ratio becomes unfavorable. Early morning also has better light for photography (sun angle) and calmer water. If you arrive after 11am during peak season (December–March, July–August), the experience is significantly less personal.
Beyond the turtle bay
Akumal has a small village with several excellent seafood restaurants (La Buena Vida is consistently recommended — fresh ceviche and grilled fish at $200–350 MXN per person). The Half Moon Bay, accessible by a short walk north of the main bay, has slightly less turtle activity but fewer visitors and better swimming conditions. Cenote Aktun Chen, 3 km inland from Akumal, is worth visiting if you haven't done cenote swimming elsewhere — a large open cenote with an adjacent cave system.