Got it! I’ll tweak the itinerary to keep it concise for a 7-night stay and add times for each activity, making it more practical for travel. This plan assumes you’re renting a car and taking scenic drives, so you can go at your own pace.

Day 1: Arrive in Reykjavik

• 11:00 AM – Arrive at Keflavik Airport
  
• 12:00 PM – Pick up rental car
  (Most rentals at the airport will have a variety of vehicles suitable for Iceland’s terrain.)
  
• 1:00 PM – Head to Blue Lagoon
  Drive about 20 minutes to Blue Lagoon for a soothing introduction to Iceland's geothermal waters.
  Relax and unwind in the lagoon for 2–3 hours.
  
• 4:30 PM – Drive to Reykjavik
  The drive to Reykjavik from Blue Lagoon takes about 45 minutes. Check into your hotel/guesthouse.
  
• 6:00 PM – Explore Reykjavik
  Take a walk around the city center: Visit Hallgrímskirkja Church (it’s open until 9:00 PM) and explore the harbor area or Tjörnin Lake.
  
• 8:00 PM – Dinner in Reykjavik
  Grab dinner at a local restaurant like Grillmarkaðurinn for Icelandic cuisine or Íslenski Barinn for cozy atmosphere and traditional food.
  

Overnight: Reykjavik.

Day 2: Golden Circle

• 8:00 AM – Depart Reykjavik Breakfast at your hotel or a nearby café, then head out for the Golden Circle, a popular route that’ll take most of the day.
  
• 9:00 AM – Þingvellir National Park (45-minute drive) Explore the Þingvellir National Park, where the North American and Eurasian tectonic plates meet. Walk along the Almannagjá Gorge and visit the Thingvellir Church.
  Time to explore: 1.5–2 hours.
  
• 11:30 AM – Geysir Hot Springs (50-minute drive) Visit the geothermal area and watch the Strokkur Geyser erupt every 5–10 minutes.
  Time to explore: 1 hour.
  
• 1:00 PM – Gullfoss Waterfall (10-minute drive) Visit the Gullfoss waterfall, one of Iceland's most powerful waterfalls. It’s a short walk to the viewing platform, where you can feel the mist and hear the roar of the water.
  Time to explore: 1 hour.
  
• 2:30 PM – Lunch at Friðheimar Farm
  On the way back to Reykjavik, stop at Friðheimar Farm, known for its greenhouse-grown tomatoes. Have lunch in their cozy greenhouse.
  Time: 1 hour.
  
• 4:00 PM – Return to Reykjavik Drive back to Reykjavik, around 1 hour from the farm.
  
• 7:00 PM – Dinner and Explore
  Enjoy a leisurely dinner in Reykjavik, and perhaps a visit to Harpa Concert Hall or take a walk along the waterfront.
  

Overnight: Reykjavik.

Day 3: South Coast

• 7:00 AM – Depart Reykjavik Breakfast and hit the road early. The South Coast is packed with stunning natural sites.
  
• 9:00 AM – Seljalandsfoss Waterfall (1.5-hour drive) Visit Seljalandsfoss, a waterfall you can walk behind! Make sure to bring waterproof clothing as the mist can get heavy.
  Time to explore: 1 hour.
  
• 10:30 AM – Skogafoss Waterfall (30-minute drive) Another iconic waterfall, Skogafoss is taller and equally impressive. You can climb stairs to the top for panoramic views.
  Time to explore: 1 hour.
  
• 12:00 PM – Reynisfjara Beach (30-minute drive) Visit the black sand beach of Reynisfjara, famous for its basalt sea stacks and dramatic cliffs. Watch out for rogue waves!
  Time to explore: 1 hour.
  
• 1:30 PM – Lunch in Vik
  Stop for lunch in Vik, Iceland's southernmost town. Try Halldorskaffi for a hearty meal.
  Time: 1 hour.
  
• 3:00 PM – Continue to Skaftafell National Park (1.5-hour drive) Visit Skaftafell, an area within Vatnajökull National Park with trails leading to spectacular sights like Svartifoss Waterfall (surrounded by black basalt columns).
  Time to explore: 2–3 hours.
  
• 6:00 PM – Check-in & Relax
  Drive 30 minutes from Skaftafell to your accommodation near Jökulsárlón Glacier Lagoon.
  

Overnight: Near Jökulsárlón.

Day 4: Vatnajökull & East Fjords

• 8:00 AM – Jökulsárlón Glacier Lagoon
  Head to Jökulsárlón Glacier Lagoon for an unforgettable sight of icebergs drifting in the water. Take a boat tour (optional, 1 hour) to get close to the ice.
  Time to explore: 2 hours.
  
• 10:30 AM – Diamond Beach
  Walk across the road to Diamond Beach, where chunks of ice wash up on the shore and sparkle in the sunlight.
  Time to explore: 30 minutes.
  
• 12:00 PM – Drive to the East Fjords (3-hour drive) Take the scenic route to the East Fjords. This is a quieter area of Iceland with rugged cliffs, deep fjords, and fishing villages.
  
• 3:30 PM – Arrive in Egilsstaðir Explore Egilsstaðir, the largest town in East Iceland. It’s a good spot for a break, with local cafes and shops.
  
• 5:00 PM – Scenic Drive After a break, take a scenic drive through the East Fjords to see the beautiful landscapes.
  

Overnight: In Egilsstaðir.

Day 5: Lake Myvatn

• 7:30 AM – Depart Egilsstaðir
  Breakfast, then head towards Lake Myvatn in North Iceland (approx. 4.5-hour drive).
  
• 12:30 PM – Hverir Hot Springs
  Arrive at Lake Myvatn and head straight to the Hverir Geothermal Area, where you’ll see bubbling mud pots and fumaroles.
  Time to explore: 1 hour.
  
• 2:00 PM – Dimmuborgir Lava Fields
  Explore the Dimmuborgir Lava Fields—remarkable, twisted formations that look like a “dark castle.”
  Time to explore: 1–1.5 hours.
  
• 4:00 PM – Goðafoss Waterfall
  On your way to Akureyri, visit Goðafoss, one of Iceland's most beautiful waterfalls.
  Time to explore: 30–45 minutes.
  
• 6:00 PM – Arrive in Akureyri Enjoy a relaxing evening in Akureyri, the second-largest city in Iceland.
  

Overnight: Akureyri.

Day 6: Akureyri and Surroundings

• 9:00 AM – Explore Akureyri
  Walk around the charming town of Akureyri, visit the Akureyri Botanical Gardens, and have lunch in a cozy café.
  
• 2:00 PM – Drive to Húsavík for Whale Watching
  If you're interested, drive to Húsavík (about 1-hour drive) for a whale-watching tour. The waters around here are known for being rich in marine life.
  Time: 3 hours.
  
• 7:00 PM – Return to Akureyri
  

Overnight: Akureyri.
Day 7: Return to Reykjavik

• 8:00 AM – Depart Akureyri
  After breakfast, start your drive back to Reykjavik. The journey is about 5 hours, so plan for scenic stops along the way if you wish.
  
• 1:30 PM – Arrive in Reykjavik
  Check in to your hotel (if needed) and leave your luggage. Use the afternoon for some last-minute exploration and relaxation before your departure. Here are a few suggestions for the afternoon:
  
  • Stroll through Reykjavik's Old Harbor Area: Wander through the charming harbor, where you can browse local shops or take a photo with the Sun Voyager sculpture.
    
  • Visit the National Museum of Iceland: If you’re interested in Icelandic history and culture, this museum provides a great overview.
    
  • Explore the Reykjavik Art Museum: For those who enjoy contemporary art, this museum is a nice way to round out your trip.
    
• 4:00 PM – Enjoy a Relaxing Last Meal
  Head to a cozy restaurant for one final meal in Reykjavik. You can try Sægreifinn for seafood or Lava Restaurant at the Blue Lagoon if you’d like to treat yourself to a nice dining experience.
  
• 6:00 PM – Drop off Rental Car
  If you still have your car, make sure to drop it off at the rental agency (make sure to check the exact time the car is due back to avoid extra charges).
  
• Evening at Leisure
  Spend your last few hours enjoying Reykjavik. If you have the time and energy, you can enjoy a relaxing soak at the Secret Lagoon (about 40 minutes from the city) or spend your final night in Reykjavik at a local pub or café.
  

Overnight: Reykjavik (If you have a late-night flight, you might want to stay near the airport or head to the city to sleep).

Would you like any more specifics, like accommodation options, restaurants, or specific hikes to do along the way?