Begin with a riverside breakfast at The Deck by Arun Residence, enjoying Thai coffee and toast while admiring views of Wat Arun across the Chao Phraya.
Stroll the nearby Thanon Wang Doem (Tha Tien market area) to sample fresh mango sticky rice and soak up morning market life.
Take a short long-tail boat ride from Tha Tien Pier to explore the riverfront and get a different perspective of the Old City temples and wooden river houses.
Visit the atmospheric Museum Siam for a quick, engaging primer on Thai history and culture (allow ~60-75 minutes).
Enjoy an early lunch at Raan Jay Fai (if you want a splurge and can get a seat) or try the local favorite Sala Rattanakosin Eatery & Bar with views back towards Wat Arun.
Wander the aisles of Tha Maharaj riverside community mall-grab a cold drink at Blue Whale Maharaj and browse local handicrafts along the promenade.
Take a ferry across the river to Wat Arun and climb its central prang for panoramic views; pause for photos on the riverside steps.
Return to the Old City and visit Wat Pho to see the Reclining Buddha and enjoy a traditional foot or Thai massage at the temple's reputable massage school.
Sip iced tea and relax at The Jam Factory café while exploring its design shops and riverside gallery spaces.
Walk along the riverfront toward Ratchawong Pier and stop for street snacks-try grilled squid or coconut pancakes from nearby vendors as the light softens.
Board a sunset-dinner cruise on the Chao Phraya (choose operators like Apsara Dinner Cruise or Manohra Cruises) to enjoy Thai cuisine with illuminated temple views.
After the cruise, stroll to Asiatique The Riverfront for open-air shopping and catch a ride on the Asiatique Sky ferris wheel for night views of the river.
Sample fusion Thai dishes and craft cocktails at Baan Khanitha by the River or enjoy casual bites at the riverside food stalls inside Asiatique.
Take a short tuk-tuk or river taxi to Chinatown (Yaowarat Road) for neon-lit street food - try oyster omelette from a popular stall or mango-pome sweets and grilled seafood.
Sip a late-night cocktail at rooftop bar Sky Bar at Lebua State Tower (if you prefer spectacular skyline views) or head to the cozy speakeasy Teens of Thailand in Chinatown for creative gin drinks.
Wander back along the river or take a taxi to your hotel; pause for a late-night supper at R&B Seafood in Chinatown if you're still hungry, then return to your riverside accommodation to rest.
Start the morning with a Thai-style breakfast at On Lok Yun, enjoying classic soft-boiled eggs, toast and strong coffee in an old-school cafe frequented by locals.
Arrive early at The Grand Palace to beat the crowds; walk the outer courtyards, admire the intricate gilding and visit the Temple of the Emerald Buddha (dress respectfully).
Stroll over to nearby Wat Pho to see the Reclining Buddha; follow with a short session at the temple's traditional massage school for an authentic Thai massage (45-60 minutes).
Take a riverside break at The Deck by Arun Residence for iced Thai tea and a light snack while enjoying views across to Wat Arun and the Chao Phraya.
Cross the river by public ferry to briefly explore the temple grounds at Wat Arun (photo stops and a short climb up the central prang if you're comfortable with the steep steps).
Enjoy a relaxed riverside lunch at Sala Rattanakosin Eatery & Bar, sampling their pad thai or river prawns with views back toward Wat Arun.
Walk through the historic lanes to Saranrom Park for a peaceful pause among trees and monuments, a good spot for photos and people-watching.
Visit the nearby National Gallery (if open) to see Thai and Southeast Asian art collections, or browse rotating exhibits highlighting local artists.
Take a short tuk-tuk ride to Wat Saket (Golden Mount) and climb the steps to the chedi for panoramic city views and a quiet temple atmosphere.
Stop for refreshments at The Old Parsi House Café or a street-side coffee stall nearby, enjoying a Thai iced coffee and a sweet snack before evening explorations.
Head into Chinatown (Yaowarat Road) to begin your food tour-sample early evening bites like dim sum, roast duck, and fresh seafood from well-known stalls.
Begin your Chinatown evening at Yaowarat Road, letting the neon-lit street vendors lure you to try a plate of grilled river prawns or a famous oyster omelette from a bustling stall.
Step into T&K Seafood for lively atmosphere and freshly stir-fried seafood dishes; share a few plates like chili crab or squid with garlic and pepper.
Wander side alleys to find dessert gems-sample coconut ice cream at Nai Ouan Coconut Ice Cream or the traditional tong yip/tong yord sweets from a family-run stall.
Pop into Teens of Thailand (a popular Chinatown speakeasy) for inventive gin cocktails, or choose Asia Today for seasonal, locally inspired drinks if you prefer a low-key bar vibe.
Take a short walk to Soi Nana (Chinatown) to experience lively local bars and street scenes; try a craft beer at 23 Bar or mingle with locals at a small live-music venue.
For a late-night supper, head to R & B Seafood or a trusted street stall for comforting bowls of fresh seafood noodles or congee as the neighborhood hums after dark.
If you want skyline views to cap the night, take a taxi to Sky Bar at Lebua State Tower for a nightcap and panoramic city lights (dress code applies); otherwise stroll back through the lantern-lit lanes of Yaowarat.
Return to your hotel or riverside accommodation; pause for a final drink at your hotel's bar or grab a takeaway dessert from Bangkok's street vendors before turning in.
Fuel up with a local breakfast of jok (rice porridge) and strong coffee at Jok Prince near the Chatuchak area to prepare for a morning of browsing.
Arrive at Chatuchak Weekend Market (enter via Gate 1 or 3) to explore lesser-known stalls for vintage finds, local handicrafts and specialty Thai snacks before the crowds swell.
Pop into Or Tor Kor Market (a short taxi ride) to sample premium tropical fruits, freshly made coconut pancakes and ready-to-eat Thai salads while wandering the clean, refrigerated stalls.
Head to Siam Square and stroll through boutiques and street-style shops, then stop for a mid-morning refreshment and people-watching at After You Dessert Cafe (Siam Square branch) for their signature kakigori or honey toast.
Browse contemporary Thai designers and lifestyle stores inside Siam Center, then walk across to Siam Paragon if you want a quick peek at luxury brands or the gourmet market hall for imported food treats.
Make your way to Thonglor and enjoy an early lunch at Soul Food Mahanakorn for comfort-style Thai dishes, or choose The Commons food hall for a variety of casual options in a lively communal setting.
Wander deeper into Thonglor and pop into boutique galleries like Thonglor Art Space or vintage shops along Soi 55, then grab a refreshing cold brew at Pacamara Coffee Roasters.
Head to J Avenue Thonglor for light shopping and try a signature bao or yakitori at Buta Shabu food stalls inside the complex for a casual bite.
Visit the stylish lifestyle mall EmQuartier - explore the Helix Garden and stop at Maison Eric Kayser for a pastry and iced tea while enjoying the greenery and design-filled interior.
Take a short BTS ride to Erawan Shrine / Ratchaprasong area for a quick cultural photo stop, then descend into the connected malls to browse tech and beauty kiosks at CentralWorld.
Treat yourself to a mid-afternoon Thai dessert tasting at Mont Nom Sod (try their fresh milk toast) or seek out the craft dessert bar at After You Dessert Cafe (EmQuartier) if you prefer a sit-down sweets break.
Explore the boutique bookstores and design shops in the Siam neighborhood - stop by Kinokuniya (Siam Paragon) to browse English language travel books and local design magazines.
Return to Thonglor for early evening drinks at Rabbit Hole (a discreet speakeasy) or relax with a craft cocktail and small plates at The Iron Fairies for an atmospheric pre-dinner stop.
Enjoy an early dinner at Bo.Lan (reservation recommended) for an elevated traditional Thai tasting menu, or choose the lively Thai tapas at 80/20 for modern small plates in Thonglor.
After dinner, wander to Thonglor Soi 55 to soak up the lively neighborhood atmosphere and pop into a few independent shops and galleries as the street lights come on.
Enjoy inventive cocktails at Rabbit Hole - order one of their signature drinks and settle into the intimate speakeasy setting while sampling a small plate.
Head to Iron Fairies for an atmospheric live-music night; sip a crafted cocktail amid whimsical décor and listen to a jazz or blues set if the band is playing.
Make a short taxi ride to Thonglor's 72 Courtyard for late-night bites and communal drinking spots - try a shareable plate at El Toro or a fusion snack from one of the pop-up kitchens.
If you're in the mood for dessert, stop by After You Dessert Cafe (Thonglor branch) for their signature kakigori or honey toast for a sweet nightcap.
For a different vibe, take a quick Grab to Octave Rooftop Lounge & Bar (Marriott Thonglor) to enjoy panoramic skyline views with a nightcap and relaxed late-night DJ set.
If you want to keep exploring, drop into Beam nightclub for electronic music and dancing, or choose a low-key local bar on Thonglor Soi 10 to mingle with Bangkok's nightlife crowd.
Wrap up your evening with a late supper at Thonglor's street-side noodle stalls or a 24-hour convenience grab (try a comforting bowl of boat noodles from a well-reviewed stall) before heading back to your hotel.