As a knowledgeable travel expert, I'd be happy to provide you with a list of hotels in Puerto Viejo, Costa Rica, as well as some popular tours and activities in the area. Please note that the availability and details of hotels and activities may change over time, so it's always a good idea to check with the specific establishments or tour operators for the most up-to-date information. Here's a list to get you started:

Hotels in Puerto Viejo, Costa Rica:
1. Le Cameleon Boutique Hotel: A stylish beachfront hotel with modern amenities and a relaxing atmosphere.
2. Hotel Banana Azul: A charming beachfront hotel offering comfortable accommodations and a laid-back tropical ambiance.
3. Aguas Claras: A boutique hotel nestled in the jungle, offering unique accommodations and a tranquil setting.
4. Shawandha Lodge: A secluded eco-lodge surrounded by nature, providing a peaceful and eco-friendly retreat.
5. Cariblue Beach and Jungle Resort: A resort set amidst lush gardens and just steps away from the beach, offering a range of accommodation options.

Tours and Activities in Puerto Viejo, Costa Rica:
1. Cahuita National Park Snorkeling Tour: Explore the underwater world of Cahuita National Park on a guided snorkeling tour.
2. Jaguar Rescue Center Visit: Learn about wildlife conservation and rehabilitation at the Jaguar Rescue Center.
3. Chocolate Tour: Discover the fascinating process of chocolate production from bean to bar and enjoy tastings along the way.
4. Surfing Lessons: Take surf lessons or join a surf camp to ride the waves of the Caribbean Sea.
5. Biking and Wildlife Watching: Rent a bike and explore the coastal roads, keeping an eye out for wildlife along the way.
6. Indigenous Cultural Experience: Immerse yourself in the local indigenous culture with a visit to an indigenous community and learn about their traditions and way of life.
7. Waterfall Hiking: Hike through lush rainforests to reach stunning waterfalls, where you can swim and enjoy the natural beauty.

These are just a few options, and there are many more hotels, tours, and activities available in Puerto Viejo, Costa Rica. It's always recommended to research and book in advance to secure your preferred accommodations and activities during your visit.