South Pacific, Costa Rica 999 spp. recorded

Marino Ballena is Costa Rica's first marine national park, famous for its whale tail-shaped sandbar (tombolo) visible at low tide and two annual humpback whale migration seasons. The park protects 5,375 hectares of marine habitat along 15 km of coastline, including coral reefs, mangroves, and nesting beaches for hawksbill and olive ridley sea turtles.

9.123° N   83.750° W

🦜 Nature

505 Species sighted
55,748 Verified sightings From 2019 to 2026
May Best month
DAILY SIGHTING PROBABILITY
<5%
Rare
5–20%
With luck
20–40%
Possible
40–70%
Likely
>70%
Very likely

⭐ Iconic Species

📊 Most Spotted

⭐ Iconic Species

📊 Most Spotted

📊 Most Spotted

+ 588 more species with insufficient data

Sighting Calendar

How many species you'd see in a day

40
Jan
40
Feb
41
Mar
44
Apr
49
May
43
Jun
38
Jul
36
Aug
46
Sep
45
Oct
44
Nov
41
Dec

Sighting Zones

Warmer areas are where all species together are recorded most often.

  1. Playa Uvita
  2. La Cusinga Lodge (Uvita)
  3. Playa Ballena
  4. 9.106° N, 83.726° W
🏕️ Experience

Essentials

EntrancePaid
TourismMedium
Typical stay
1–2
days
TrailsEasy
World HeritageNo

Climate

Temp °C Rain mm
26°
181mm
27°
108mm
27°
113mm
27°
284mm
26°
479mm
26°
609mm
26°
691mm
26°
743mm
26°
625mm
25°
919mm
25°
867mm
26°
340mm
JanFebMarAprMayJunJulAugSepOctNovDec
0.0 ★★★★★ ★★★★★ Good

Wallace's Line Score

How good is this park for seeing wildlife?
🦜

Biodiversity

Very good

How rich is the wildlife?

4.2 Global avg
4.2 ★★★★★ ★★★★★
Species by taxon
🦅 Birds
611
🐒 Mammals
203
🦎 Reptiles
121
🐸 Amphibians
64
999 Total Species
828 Global average across 316 parks
38 Threatened 65 Endemic
🔭

Sighting

Very good

How likely to see animals?

3.6 Global avg
3.4 ★★★★★ ★★★★★
🎯
Top-12 Avg Probability
65% Global avg
60%
📊
Coverage (234 species at ≥5% of 999 in the inventory)
25% Global avg
23%
🔀
Taxon variety in top 12 (9 bird, 2 reptile, 1 mammal)
50% Global avg
54%
🔭
Species per 10 outings (distinct species a visitor would meet over 10 outings — effort held equal across parks)
128 Global avg
132
🌟
Iconic-group species (≥15%) (every species from the 19 iconic groups — monkeys, cats, toucans, macaws, sloths, crocodilians… — not just the 4 highlighted above)
16 Global avg
15
⭐
High-prob species (>40%)
30 Global avg
24
🏕️

Experience

Very good

How easy and pleasant is the visit?

3.8 Global avg
3.6 ★★★★★ ★★★★★
🌤️ Climate Mixed
Medium
🎟️ Entrance Paid
Low
👥 Tourism High
Low
🥾 Trails Easy
High
🌐 World Heritage No
—

Before you go

When is the best time to visit Marino Ballena National Park for wildlife?

June

In that month the park's 12 most-seen species average about 70% on a given day, against about 50% in January–February and October.

Can you see a Humpback Whale in Marino Ballena National Park?

Yes

About 40% of wildlife watchers report a Humpback Whale sighting in Marino Ballena National Park on a given day, based on 56 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is September (about 80%).

Can you see a Magnificent Frigatebird in Marino Ballena National Park?

Yes

About 40% of wildlife watchers report a Magnificent Frigatebird sighting in Marino Ballena National Park on a given day, based on 885 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is January, March–April and November (about 50%).

Can you see a Scarlet Macaw in Marino Ballena National Park?

Yes

About 60% of wildlife watchers report a Scarlet Macaw sighting in Marino Ballena National Park on a given day, based on 1,316 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is May, September and November–December (about 70%).

Can you see a Green Iguana in Marino Ballena National Park?

Yes

About 40% of wildlife watchers report a Green Iguana sighting in Marino Ballena National Park on a given day, based on 49 verified sightings from GBIF citizen-science data from 2019 to 2026. The best time is January, March–April and September (about 50%).

Where in Marino Ballena National Park is wildlife easiest to see?

Around Playa Uvita

The richest sighting zone is around Playa Uvita, followed by La Cusinga Lodge (Uvita) and Playa Ballena, ranked by how many of the park's headline animals visitors can expect to see in each. See the zones on the map.

Is Marino Ballena National Park good for wildlife watching?

3.6 out of 5

On the Wallace's Line Score, Marino Ballena National Park rates 3.6/5: 161st of 316 parks worldwide and 21st in Central America. 40 of its species are reported by about 40% or more of wildlife watchers on a given day.

⚖️

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