If you have lived in Sámara through more than one green season, you already know the calendar you grew up with stops being useful sometime in early August. What replaces it is not the weather forecast, which is more or less predictable, but the moon. The three months between the first serious arribada and the last big hatch at Camaronal reorganize the town around a lunar schedule that never appears on any of the guides pinned outside the Info Center.
The thesis of this post is small and specific. During peak nesting, the phase of the moon does more to shape a resident's week in Sámara than the day of the week does. Once you accept that, everything else about August through October, from when the feria feels full to which restaurants are worth the walk on a Tuesday, falls into a pattern that only makes sense from the inside.
The window, the species, and the refuges
Three refuges anchor the season, and each has its own tempo. Camaronal Wildlife Refuge sits on the Nicoya Peninsula between Carrillo and Sámara, opened in 1994, and its nesting season runs from June to January. At Camaronal you can see leatherbacks, olive ridleys, hawksbills, and black sea turtles, with nesting most common during the rainy months of May through November. The mass arribadas at Ostional are common from May through November and peak between August and October.
For a resident planning a night out with visiting family, the practical differences matter more than the species list.
| Refuge | Distance from Sámara | What peaks August through October | Access note |
|---|---|---|---|
| Playa Camaronal | ~20 min south, past Carrillo | Olive ridley, leatherback, hawksbill, black sea turtle nesting | Open 6 AM to 6 PM daily, $12 entry, guide required at night |
| Playa Corozalito | Between Playa Islita and Playa Bejuco | Olive ridley nesting each year from June through December | Often paired with Camaronal on the same tour |
| Ostional National Wildlife Refuge | ~2 hours north, toward Nosara | Home to the olive ridley arribadas where thousands of turtles gather; best season August to October | Gatherings occur 4 to 6 days each month, aligning with the crescent lunar cycle |
Read that Ostional line again. Four to six nights per lunar month is the whole game. If you live here and want to bring a friend who is visiting, you do not pick a Friday. You pick a moon.
The Saturday feria is the fixed point
Everything else pivots around La Feria Sámara, a farmers market that takes place every Saturday morning, now in its sixth year, rain or shine. A different musician plays each week starting around 9 AM, and the market runs from 7 AM to 2 PM. During peak green season the vendor count thins on the shoulders of the season, but the core booths hold, and the character of the market shifts from crowd-of-visitors to a place where you actually see your neighbors.
The feria is worth treating as an anchor because it gives the week a shape when the visitor calendar goes quiet. Residents build errands around it. Samara Organics, the small organic mercado and café off the same block, tends to catch the overflow, and its shelves become the reliable Tuesday and Thursday stop when the feria memory has faded.
A tactical note that only applies to these three months: if there is an arribada window falling on Friday night, the Saturday feria feels different. People are tired in a good way, coffee lines are longer, and the produce that made it through Friday's rain sells fast. Get there closer to 7:30 than 10:00.
Where residents eat when the town thins out
The green-season restaurant list is shorter than the high-season list, which is a feature, not a bug. It filters for places that have earned a year-round following.
For a proper dinner, Mamagui, located at the front of Hotel Giada, is Sámara's higher-end option, with a menu of meat dishes, pastas, fish, and gourmet pizzas. Teca Beach, which opened in 2021, is run by a French chef and known for dishes like beef tenderloin with sweet potato gratin and tuna steak. For pizza, Mar y Fuego has some of the best brick-oven pizza in Costa Rica, with a menu that also runs to burgers, steaks, grilled fish, and pasta.
The casual list matters more in low season, when the walk home is short and nobody is dressing up. Las Olas Beach Bar sits on the northern end of Samara Beach, locally owned with tables on the sand, open for breakfast, lunch, and dinner with a casual menu. Microbar features 24 taps of local beers and is a good place to get a sense of Costa Rica's craft beer scene. La Boulangerie just outside town is the best place for homemade breads and authentic French pastries, open Tuesday through Saturday from 7 AM to noon.
Two more that residents rotate through: Falafel Cafe, which serves wraps, salads, burgers, and dishes focused on falafel and hummus, and Soda Colochos when you want the traditional casado without a scene. Sweeties by Celia, the food truck, is where the small-town texture lives.
The tell for a genuinely local restaurant in Sámara is not the menu. It is whether the place stays open on a Tuesday in September and whether the chef eats there on Monday nights.
The one hour that changes the day
The green-season rain window in Sámara is not what visitors expect. Mornings are usually clear or lightly overcast. The rain, when it comes, tends to arrive in a single hard band in the mid to late afternoon, then clear. Residents plan around this the way people in other climates plan around traffic. Ocean things in the morning. Interior things from about 2 PM to 4 PM. Everything else after the sky opens back up.
The waters off Sámara are home to bottlenose, pantropical spotted, and Central American spinner dolphins that live in the bay year-round. If your visit falls between August and November, or early January, you might also spot migrating humpback whales. That whale window is one of the reasons a morning boat tour in September is a genuinely different experience from the same tour in March.
Booking a turtle night as a resident
This is where the moon math gets practical. If you are a resident hosting family in this window, you are not booking a tour, you are booking a night. Three considerations decide which:
- Crescent moon proximity. Aim for the days just before a new moon at Ostional if the arribada is the goal.
- Refuge choice. Camaronal is the closer, easier logistics and the better bet for a first-time visitor because you might see one or two turtles rather than thousands. Corozalito pairs well when Camaronal is quiet.
- Operator. Local operators running these tours from Sámara include Samara Adventures, Carrillo Tours, a Costa Rican owned operator located in Playa Sámara and Playa Carrillo, and Samara Sea Tours. Wear dark clothing so as not to irritate the animals.
One friction to plan around: if an arribada is taking place at Ostional the tour may divert there, with an additional charge of roughly $28.50 per person due to the longer travel distance. That is the kind of upgrade decision you want to make in the parking lot, not over dinner.
The Samara and Costa Rica Info Centers, run by Christopher and Brenda, are worth knowing about for booking a vehicle and excursions. Residents use them more than visitors realize.
What resets the calendar in December
Green season ends not with a weather change but with a social one. The Sámara festivities run from December 26 through January 4, and the town's population effectively doubles in a weekend. If you have been living on the moon calendar since August, the shift back to the day-of-week calendar is real, and it starts about ten days before Christmas.
Further out, Festival de la Luz Sámara is scheduled for January 30 through February 4, 2027, at Playa Sámara. Worth noting on a fridge calendar now, because it books hotel and villa inventory across the bay quickly once it hits the mainstream event feeds.
The bottom line for residents
If someone told you Sámara was slow between August and October, they were not wrong, but they were incomplete. What actually happens is the town's clock changes. It runs on lunar time for three months. The people who understand that get an easier feria, better restaurant service, better rates at operators, and turtle nights that are logistically simple in a way December can never match.
For homeowners thinking about the shape of the year ahead, or for anyone considering owning here rather than only visiting, this rhythm is a large part of what daily life actually is. To talk through what living on the Nicoya's lunar calendar might look like for you, or to have our team represent a Sámara property with the visibility it deserves, Engel & Völkers Costa Rica invites you to list with us or find your Costa Rica home. Connect with our Sámara shop.