Hello! That sounds like a fantastic trip you have planned to Uruguay. Here are some travel tips:

Best Time to Visit:
The best time to visit Montevideo, Punta Ballena, and Colonia Del Sacramento is during the spring (October to December) and autumn (March to May), when the weather is pleasantly warm with lesser crowds.

Route and Accessibility:
Your best option is to fly into the Carrasco International Airport in Montevideo. From there, you can hire a car or use public transportation (both buses and taxis are readily available) to reach other parts of the country. Domestic flights are also available if needed.

Accommodation and Booking:
Depending on your budget, both Montevideo and Punta Ballena have a range of accommodation options from luxury hotels to more modestly priced guesthouses. Booking in advance is recommended, especially during peak season.

Clothing and Essentials:
Pack light, breathable clothing for the warm weather, with a light jacket for cooler nights or unexpected rain. Don’t forget to pack a good quality sunscreen, protective eyewear, and hats for sun protection.

Health and Safety:
Uruguay is a relatively safe country to visit. However, as with any travel, maintain vigilance over personal items, ensure food and drink safety, and stay updated on the local COVID-19 guidelines.

Local Etiquette and Respect:
Uruguayans are warm and friendly people. Respect local customs, avoid discussing politically sensitive topics, and dress modestly when visiting religious or culturally significant sights.