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Which is better: Ilha Grande or Petrópolis?

Short answer

Ilha Grande and Petrópolis are in the same region (Rio de Janeiro and Surroundings). Ilha Grande: Atlantic Forest, trails and green water without a single car; Petrópolis: the Imperial City in the mountains of Rio de Janeiro state. For this month's weather, Petrópolis has the edge. Driving from São Paulo, Ilha Grande costs less.

Sources: INMET (updated 2026) · ANP · OpenStreetMap
Most reviewed activity in Ilha GrandeAcaiá Cave & Ilha Grande Lagoons Boat Tour★ 8 · 1 review · from US$ 46 · via CivitatisSee dates and price →
Ilha Grande Petrópolis
Best time to visit May → Aug Apr → Oct
Weather this month 28° · 13 days of rain 25° · 9 days of rain
By car R$ 312 · from São Paulo R$ 359 · from São Paulo
Ideal stay 3–4 days 2–3 days
Best for Adventure, Relax, Romantic, Family Romantic, Food, Family, Relax
Choose Ilha Grande if

you want a trip for adventure seekers and relaxation: the wildest island on the Costa Verde, with Lopes Mendes at the end of the path.

See guide
Choose Petrópolis if

you want a trip for couples and food lovers: palaces, mountain weather and craft beer an hour from Rio.

See guide
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Where to stay

Where to stay: Ilha Grande or Petrópolis

What usually tips the balance for your wallet is the rate on your travel dates. Check current prices for each city before deciding.

Compare hotels and places to stay in Ilha Grande on Booking.com, with up-to-date prices and availability, before you book.

See all hotels in Ilha Grande

Compare hotels and places to stay in Petrópolis on Booking.com, with up-to-date prices and availability, before you book.

Hotel Vila Bavaria Petropolis in Petrópolis 8.6 ★★★ · 102 reviews Hotel Vila Bavaria Petropolis See on Booking → Hotel Solar do Imperio in Petrópolis 9.3 ★★★ · 10 reviews Hotel Solar do Imperio See on Booking →
See all hotels in Petrópolis

Rates change with the dates: confirm the price on Booking.com.

Frequently asked questions

Ilha Grande or Petrópolis: which is better?
Ilha Grande and Petrópolis are in the same region (Rio de Janeiro and Surroundings). Ilha Grande: Atlantic Forest, trails and green water without a single car; Petrópolis: the Imperial City in the mountains of Rio de Janeiro state. For this month's weather, Petrópolis has the edge. Driving from São Paulo, Ilha Grande costs less.
What is the best time to visit Ilha Grande and Petrópolis?
The best time to visit Ilha Grande is from May to August; for Petrópolis, it is from April to October, based on INMET's climate normals (temperature and rainfall for each month). If your trip already has a date, check each destination's page for your month.
Which of the two is cheaper to get to?
By car, leaving from São Paulo, Ilha Grande is 404 km (251 mi) and costs about R$ 312 each way (fuel plus tolls); leaving from São Paulo, Petrópolis is 450 km (280 mi) and costs about R$ 359 each way (fuel plus tolls). The calculation assumes a car that gets 11 km/L. Lodging and activities vary with each place's season.
Where does it rain less, Ilha Grande or Petrópolis?
Averaged over the year, Ilha Grande has 12 rainy days a month and Petrópolis has 10. Petrópolis is the drier of the two over the year as a whole, but what decides the trip is the month: the rainiest month in Ilha Grande is January and in Petrópolis, January. For temperature, Ilha Grande is the warmer one (average high of 29° versus 25°).
How many days should you spend in Ilha Grande and in Petrópolis?
To see the main sights without rushing, Ilha Grande calls for 3–4 days and Petrópolis, 2–3 days. These are distant regions: with a week or less, it is usually better to pick one of the two and make the most of it.
Ilha Grande or Petrópolis with kids?
Both work with kids: Ilha Grande (car-free village, forest trails, and paradise beaches) and Petrópolis (imperial legacy, mountain climate, and craft beer). The choice usually comes down to getting there, not to infrastructure. With small children, weather matters: Petrópolis has fewer rainy days over the year.
What should you not miss in each?
In Ilha Grande: Lopes Mendes Beach, Vila do Abraão, Pico do Papagaio. In Petrópolis: Imperial Museum, Crystal Palace, Santos Dumont House. These are the sights that show up most in first-trip itineraries for each destination; the full guide to each has the whole list.