Here's a fun and family-friendly itinerary for 7 days in Tenerife:

Day 1: Arrival and Relaxation

• Arrive in Tenerife and check into your family-friendly hotel or resort.
• Spend the afternoon relaxing on one of Tenerife's beautiful beaches like Playa de las Teresitas.
• Enjoy a delicious dinner at a local restaurant serving traditional Canarian cuisine.

Day 2: Loro Parque and Puerto de la Cruz

• Start your day with a visit to Loro Parque, a popular animal park with shows and exhibits for all ages.
• Afterward, head to the charming town of Puerto de la Cruz for a stroll along the promenade and a visit to the Lago Martianez swimming pools.
• Enjoy dinner at a seaside restaurant overlooking the ocean.

Day 3: Teide National Park

• Take a day trip to Teide National Park to explore Spain's highest peak, Mount Teide.
• Ride the cable car to the summit for breathtaking views of the island.
• Enjoy a picnic lunch surrounded by volcanic landscapes before heading back to your hotel.

Day 4: Siam Park and Playa de las Americas

• Spend the day at Siam Park, one of the best water parks in the world, with thrilling slides and attractions for the whole family.
• In the evening, head to Playa de las Americas for dinner and a leisurely stroll along the bustling promenade.

Day 5: Whale Watching and La Orotava

• Start your day with a whale watching excursion to see these magnificent creatures in their natural habitat.
• Afterward, visit the historic town of La Orotava to explore its beautiful architecture and gardens.
• Enjoy a traditional Canarian meal at a local restaurant.

Day 6: Anaga Rural Park and Santa Cruz

• Explore the lush landscapes of Anaga Rural Park with a family-friendly hike through the ancient laurel forests.
• In the afternoon, visit the capital city of Santa Cruz for shopping, sightseeing, and a visit to the Museum of Nature and Man.
• Have dinner at a local restaurant serving fresh seafood dishes.

Day 7: Beach Day and Departure

• Spend your last day in Tenerife relaxing on the beach, swimming, and soaking up the sun.
• Enjoy a leisurely lunch at a beachfront restaurant before heading to the airport for your departure.

I hope this itinerary helps you plan a memorable and enjoyable family vacation in Tenerife! Let me know if you need any more recommendations or tips.