Okinawa, Japan
Day 0: Arrival → Naha (3:30pm flight)Stay: Kokusai Dori area (midrange like Okinawa EXES Naha or Hotel Collective, ¥10,000-15,000/night—walkable to food/street life).Naha Airport → Kokusai Dori (~5-6pm):Clear immigration/bags (~45min), buy ICOCA/Suica card at airport monorail counter (¥2,000 load).Monorail from Naha Airport Station → Kenchomae Station (12min, ¥270, every 8min).Walk 5min to Kokusai Dori hotels. Check-in, grab Okinawa soba nearby. Early night.Day 1: Naha city & Shuri cultureStay: Same Kokusai Dori.Morning: Walk Kokusai Dori (shopping, cafes). Monorail to Shuri Station (15min, ¥260).
Midday: Shurijo Castle grounds (¥400, Ryukyu history—flat paths). Walk to Tsuboya Yachimun Street (20min downhill, pottery shops).
Afternoon: Monorail back, Makishi Public Market (lunch: taco rice, ¥800).
Evening: Kokusai Dori izakaya crawl (Orion beer, rafute pork).Day 2: Kerama Islands snorkel (nature focus)Stay: Same.Full day: Klook ferry + snorkel tour to Zamami Island (¥12,000, 8:30am Tomari Port pickup—1hr ferry each way).Furuzamami Beach (turtles, coral—no strong currents). Gear included.Back Naha ~5pm. Naminoue Beach sunset stroll (10min taxi, ¥1,000). Dinner on Kokusai.Alt if seas rough: Blue Cave snorkel tour from Cape Maeda (mainland, bus/tour pickup).Day 3: North island Churaumi Aquarium dayStay: Same.Morning: Highway bus from Naha Bus Terminal (Kencho-mae, 7:30am #117/120 to Motobu, 2.5hrs, ¥2,200 one-way—book via Willer app).
Midday: Okinawa Churaumi Aquarium (¥2,180, whale sharks, manta rays—2-3hrs). Walk to Emerald Beach (free, quick swim).
Afternoon: Bus back (last ~4pm from aquarium stop, arrive Naha 6:30pm). Light Kokusai dinner.Day 4: Naha morning → Airport (8pm flight)Check out 11am.
Morning: Naminoue Shrine (beachside Shinto, 15min walk from Kokusai) or market souvenirs.
Afternoon: Relax Kokusai cafes.
5pm: Monorail Kenchomae → Naha Airport (12min, ¥270). Arrive ~5:30pm for check-in.