Sure, I'd be happy to provide you with some travel tips for visiting Male, Thinadhoo, and Fuvahmulah in the Maldives:

Best Time to Visit:
The best time to visit the Maldives is during the dry season, which runs from November to April. It's less rainy and the temperatures average around 29°C during this period.

Route and Accessibility:
Male, the capital city, is accessible via direct flight. Thinadhoo and Fuvahmulah can be reached by speedboats, ferries, or domestic flights from Male. Always check for schedules as they might vary.

Altitude and Acclimatization:
All these locations are at sea level, so there's no need to worry about altitude sickness. But it's worth taking time to acclimate to the tropical climate, thus keeping yourself hydrated is important.

Accommodation and Booking:
The Maldives offers a range of accommodations from luxury resorts to budget guesthouses. It's more expensive to stay in the resort islands, but more affordable options are available in local islands like Thinadhoo and Fuvahmulah. Always book in advance, especially during high season.

Clothing and Essentials:
Pack plenty of light, breathable clothing given the heat and humidity. Don't forget your sunglasses, hats, and sunscreen. If you plan to snorkel or dive, consider bringing your own gear, though many places will have rentals available.

Health and Safety:
Protect yourself from the sun and heat by staying in the shade during the hottest parts of the day, and drink lots of water to stay hydrated. Be aware of marine life while swimming, snorkeling, or diving. Always follow any local safety guidelines.

Local Etiquette and Respect:
The Maldives is a Muslim country, so it's important to respect local customs and beliefs. Dress modestly outside of resort areas, especially when visiting local islands or religious sites. Be mindful of Ramadan practices if you're visiting during this time.

Enjoy your wonderful trip to the Maldives!