Official web site of Chao Phraya express boat in English:
http://www.chaophrayaexpressboat.com/en/services/
Boat root map, fares, timetable

Where go by express boat pier by pier

North Route (North of Sathorn)

Sathorn (Central Pier)

• Saphan Taksin Skytrain (BTS) Station
• Silom Road
• Sathorn Road
• Eminent Riverside Hotels, including Shangri-La Bangkok and lebua at State Tower
• Shuttle boats to hotels like The Peninsula Bangkok, Millennium Hilton Bangkok, Menam Riverside Hotel, Mandarin Oriental Hotel Bangkok and Bangkok Marriott Resort & Spa.
• Shuttle boat to Bangkok Night Festival Market named Asiatique the Riverfront

Lines: tourist, local, orange, yellow, green-yellow, blue

Oriental (N1)

• the colonial atmospheres and period architecture of the old Western quarter
• the venerable Mandarin Oriental Hotel Bangkok, the perfect place for literary nostalgia and afternoon tea on the Author’s Lounge
• OP Place, an upmarket antiques arcade housed in a white period building
• French Embassy

Lines: tourist, local, orange

Si Phaya (N3)

• River City, a modern shopping complex selling pricey antiques
• Royal Orchid Sheraton Hotel & Towers
• Bustling Charoen Krung Road
• Bangkok Folk Museum

Lines:tourist, local, orange, yellow, green-yellow

Rachawongs (N5)

• Chinatown, one of the city’s most evocative and historic enclaves (walk up Ratchawong Road)
• Offbeat shopping: used amulets, Canto pop cassettes, Guan Yin statues, gold, Chinese medical herbs, birds nest soup etc
• Sampeng Lane, a charismatic alley lined with cheap clothes, food and household items (walk up Ratchawong Road)
• Wat Mangkon Kamalawat, a Chinese temple with Buddhist, Taoist and Confucian shrines

Lines:tourist, local, orange, yellow, green-yellow

Memorial Bridge/Saphan Phut (N6)

• Saphan Phut Night Market
• King Rama I Monument
• Pak Khlong Talad, Bangkok’s biggest 24-hour flower/fruit market (turn left out of pier, walk for 10 minutes)
• Sampeng Lane, a narrow old alley lined with cheap clothes, food and household items
• Pahurat Road/Little India, the Indian enclave famed for its Hindu iconography and fabrics

Lines: tourist, local, orange

Rajinee (N7)

• Wat Pho or Temple of the Reclining Buddha
• Pak Khlong Talad, Bangkok’s biggest 24-hour flower/fruit market
• Wonderfully shabby and dilapidated old architecture
• Museum of Siam, interactive museum on the history of Thailand
• Santa Cruz Church, old Portugese Catholic church (cross river ferry required)
• Cafes and bars overlooking Wat Arun

Lines: local

Tha Tien (N8)

• Wat Pho (Temple of the Reclining Buddha)
• cross-river ferry to Wat Arun, the Temple of Dawn
• dried seafood market found along a parade of King Rama V-era shophouses
• restaurants and bars overlooking Wat Arun

Lines: tourist, local, orange

Tha Chang (N9)

• a leafy old enclave brimming with atmosphere and King Rama V-era shophouses
• Maharaj Road’s pavement market selling everything from used Buddhist amulets and phallic charms to old religious texts and false teeth
• the city’s most venerable temples (Wat Phra Kaew, Wat Mahathat)
• the iconic Grand Palace
• National Museum
• Sanam Luang, the old, oval-shaped Royal park
• authentic local food at the pedestrianised market in front of the pier

Lines: local, orange

Maharaj Pier

Reasons to come:

• The iconic Grand Palace
• City’s most venerable temples, including Wat Phra Kaew and Wat Mahathat
• National Museum, Sanam Luang, the old, oval-shaped Royal park

Lines: tourist

Wang Lang (N10)

• a women’s clothing market selling cheap shoes, bags, dress, T-shirts and accessories (popular with teenagers)
• Patravadi Theatre, a riverside playhouse staging traditional/modern performing arts
• Wat Rakhang Khositaram, and ancient Ayutthaya temple with five bells inside
• Siriraj Hospital
• The Royal Barges Museum (we tried from pier12)

Lines: tourist, local, orange, yellow, green-yellow, blue

Phra Pin Klao Bridge (N12)

• Southern Bus Terminal
• The Royal Barges Museum (we tried this way – a 10-15mins walk via small very poor streets)

Lines: local, orange, yellow, green-yellow

Phra Arthit (N13)

• Phra Athit Road’s tree-shaded atmosphere, hip shophouse boutiques and cafes
• nearby backpacker ghetto Khao San Road (10-minute walk)
• Banglamphu clothing market
• Wat Chana Songkram
• National Art Gallery
• early 20th Century architecture style made popular by King Rama V
• vintage postcards and kooky one-off blouses
• superb Indian food at Roti Mataba, a tiny box of a restaurant
• bohemian coffee shops like Coffee & More, Joy Luck Club or On Art
• chilled out Santiphap Park
• the Phra Sumen fort

Lines: tourist, local, orange

King Rama VIII Bridge (N14)

• to visit Bank of Thailand Museum
• to see up close the King Rama VIII bridge
• for Samsen Road – home to guesthouses and a few decent live music bars
• to dine at Kin Lom Chom Saphan, a relaxed open-air restaurant overlooking the river (Samsen Soi 3)

Lines: local line

Thewet (N15)

• to make merit by releasing fish into the river
• to witness the feeding frenzy as people feed catfish beneath the pier
• to dine at an old wooden restaurant overlooking the river
• to visit the lively wet market beside the canal (walk 100 metres, turn left over footbridge)
• to get to the nearby Royal district of Dusit (Wat Benchamabophit, Dusit Zoo, Vimanmek Mansion, Ananta Samakhom Throne Hall).

Lines: local, orange, yellow, green-yellow

Nonthaburi (N30)

• Nonthaburi, a charming provincial town with old fashioned clock tower, cyclos (bicycle taxis), a clothing market and early 20th Century European-style civic buildings
• Koh Kret, the nearby Mon tribe island and daytripper favourite

Lines: local, orange, yellow, green-yellow, blue

Kiak Kai (N21)

• interesting temple
• short taxi ride from Soi Ari, a hip road popular with the city’s arty urban youth
• Krung Thon Bridge
• River Side Bangkok Hotel

Lines: local, orange

South Route (South of Sathorn)

Wat Worachanyawas (S2) and Wat Rajsingkorn (S3)

• low-key temple complexes serving local communities

Lines: local, orange