Hong Kong 2026 Guide: Must-see attractions, local cuisine, and practical tips! | Trip.com

Ride the Ding Ding Tram

Hop on a “Ding Ding” tram—the world's only double-decker tram system still running—through Hong Kong Island. Take the Kennedy Town to Central route and snag an upstairs seat for a front-row view of the city's bustle. It's a slow, rattling ride past Hong Kong's urban pulse. Avoid rush hours (8-9:30 am/6-7:30 pm) for a quieter trip.

Catch Victoria Harbour's Glow

Watch the Symphony of Lights at 8 pm from Tsim Sha Tsui's Avenue of Stars HK— with Bruce Lee and Maggie Cheung statues—as skyscraper beams dazzle Victoria Harbour. Ride the Star Ferry for a close-up shine or relax on West Kowloon's waterfront lawn to see cargo ships glide by. It's Hong Kong's nightly spectacle.

Ascend Victoria Peak

Ride the Peak Tram up Victoria Peak—grades hit 27°, steeper than San Francisco's cable cars—for harbor views, or hike up for a more challenging trek. Stroll the 45-minute Lugard Road loop for calm city and sea vistas at sunset; book timed sunset entry slots via The Peak app. The Peak Tower offers a high lookout over the skyline's evening glow.

Explore Theme Parks

Visit Hong Kong Disneyland—Ant-Man and The Wasp: Nano Battle! zips you through, Mystic Manor twists with oddities, and fireworks burst over the Castle of Magical Dreams. Try Ocean Park—ride Hair Raiser or Flash's vertical drop, see shark tanks and pandas, plus hit Water World's 27-meter slides in summer. Both are easy to reach by MTR.

Roam Bustling Streets

Wander Sheung Wan—inhale incense coils at Man Mo Temple (hanging until 6 pm, best for morning photos), then climb retro Pottinger Street's stone steps. Stroll Central, spot vibrant graffiti along Graham Street, or explore Tai Kwun, a prison reborn as an arts hub. Visit Yau Ma Tei's Temple Street night market—Cantonese opera often hums weekends near Tin Hau Temple. Each corner buzzes with Hong Kong's unique charm.

Taste Hong Kong Flavors

Sip milk tea with pineapple buns at a cha chaan teng or grab fish balls and egg waffles from street stalls. Try cart noodles with pig's blood cake in Mong Kok, or savor dim sum—shrimp dumplings and siu mai—at old-school teahouses on Stanley Street, where tray-toting aunties still serve. Clattering trays set the vibe.

Relax on Beaches

Take a bus from Central to Repulse Bay Beach—it will take you 30 minutes to get to the soft sand, calm waves, and hillside mansions. Try Stanley Main Beach—livelier tides near a Tin Hau shrine and weekend markets. Both swap urban grind for sun-soaked shores and a quick dip.

Browse Hong Kong's Shopping Scene

Browse Tsim Sha Tsui's Harbour City for luxury goods, or Mong Kok's Sneakers Street and Ladies' Market for trendy kicks and bargains. Hit Causeway Bay's Times Square for upscale hauls, Sham Shui Po's Golden Computer Centre for cheap tech, and Apliu Street for vintage gadgets. Hong Kong's a shopaholic's paradise, top to bottom.

Stroll Heritage Trails

Walk the Ping Shan Heritage Trail from Tin Shui Wai MTR—ancient walls, Hong Kong's only ancient three-story Tsui Sing Lau Pagoda, and ancestral halls trace centuries. Add Kam Tin's Kat Hing Wai walled village—stone gates guard Hakka history. It's a quiet step into Hong Kong's rural roots.

Ride the Urban Escalator

Ride the Central–Mid-Levels Escalator—the world's longest outdoor covered system at 800 meters—uphill to Mid-Levels from 10am-midnight (downhill 6-10am). Stop in Soho for coffee, then walk down past wet markets. It''s a smooth lift through Hong Kong's buzz.

Visit the Big Buddha

Ride Ngong Ping 360's cable cars to Lantau—glass floors show the hills below—leading to the 26.4m Big Buddha (34m with lotus base). Nearby, stroll through Tai O's stilted fishing village; book boat tours to pink dolphin zones. Enjoy Po Lin Monastery's calm and veggie meals for a peaceful day above the city hum.

Hike Wild Trails

Trek Dragon's Back—ridge trails drop to Shek O's glassy sea in 2.5-3.5 hours, with surfers dotting below; bring HK$20 for the bus return. Try MacLehose Trail's Section 2—white sands lead to Po Pin Chau's hexagonal sea stacks, accessible only at low tide (check HK Observatory app). Both weave through hills with stunning coastal views.

Cycle Island Escapes

Ferry from Central to Cheung Chau—bike car-free lanes from Kwun Yam Beach to Pak Tai Temple's old carvings (rentals near ferry pier). Or roll through Lamma Island's fishing villages—seafood shacks line Yung Shue Wan. The 30-minute rides open quiet paths and sea breezes beyond the skyline.

Hong Kong dishes up a wild mix of thrills and traditions—from theme parks that roar with energy to quiet monasteries perched above the city’s hum. Each spot pulls you into a different side of this restless city.

Tucked on Lantau Island since 2005, Hong Kong Disneyland turns up the volume on fairy tales with a twist. You can dodge lasers in the Iron Man Experience, a 3D flight through a city under siege, or step into Mystic Manor, where artifacts spring to life in a haunted, real ghost-free romp. The new World of Frozen drops you into Arendelle’s icy streets—think fjords and Viking vibes with a Nordic soundtrack. At night, the Castle of Magical Dreams lights up the sky as fireworks paint it vivid. It’s loud, crowded, and relentlessly fun—perfect for chasing that wide-eyed wonder.

Since 1977, Ocean Park has sprawled across Hong Kong’s southern coast, blending wild rides with ocean deeps. The Waterfront’s Grand Aquarium glows with jellyfish and sharks drifting past curved glass, while The Summit throws you onto the Hair Raiser—a coaster that dangles you over cliffs before a stomach-dropping plunge. Between screams, you might spot pandas chewing bamboo or catch a dolphin flipping midair. It’s not just adrenaline—conservation threads through, with over 6,000 creatures calling it home. You’ll leave with salt air in your lungs and a story or two.

The Hong Kong Palace Museum sits sleek and modern on the West Kowloon waterfront, but its heart beats with Ming and Qing dynasty echoes. Over 900 artifacts—straight from Beijing’s Forbidden City—fill nine galleries, from jade carvings that catch the light to silk robes that whisper court secrets. Some pieces have never left China before; you’re peering into history’s private rooms. The building’s stacked design mimics palace courtyards, with atriums letting daylight spill over the exhibits. It’s a slow, absorbing wander—less rush, more revelation.

Tsim Sha Tsui—or TST—hugs Kowloon’s southern edge, where Victoria Harbour sparkles day and night. The Clock Tower stands like a relic from the old railway days, while the Avenue of Stars rolls out a concrete carpet for Hong Kong’s film legends—think Bruce Lee’s handprints under your feet. Museums stack up here too: the Space Museum’s planetarium domes, the Art Museum’s shifting exhibits, the History Museum’s deep dive into the city’s roots. Stroll the promenade as ferries churn the water, or duck into Kowloon Park when the bustle gets thick. It’s Hong Kong’s front porch—busy, bright, and hard to leave.

Ngong Ping 360 starts with a cable car ride—5.7 kilometers of Asia’s longest bi-cable ropeway—lifting you over Lantau’s green ridges and jagged coast. Glass-floor cabins show the airport’s planes buzzing below, then you’re eye-level with the Big Buddha, a bronze giant perched on a hill. It’s 268 steps to his base; the climb rewards you with wind and a sprawl of island views. Down in Ngong Ping Village, tea shops and snack stalls hum alongside Po Lin Monastery, where incense drifts through a century-old hall. It’s part journey, part pause—a rare breather above the city’s grind.

Hong Kong’s food scene is a relentless collision of taste—woks flare, tea steeps, and carts hum with heat, turning out dishes that stick with you. 

Milk tea flows like Hong Kong’s lifeblood—black tea strained through a sackcloth filter, blended with evaporated milk for a smooth, bittersweet punch. Hot or iced, it’s the cha chaan teng companion to every bite, from toast to dumplings. The “pantyhose” filter gives it edge; one sip and you’re hooked on its sharp, creamy buzz.

Wonton noodles reign as Hong Kong’s noodle king—springy egg strands in a clear, fragrant broth, cradling shrimp wontons with wrappers so delicate they melt on your tongue. Dry versions swap soup for a slick of oyster sauce, and spots like Mak’s Noodle nail the balance. Beef brisket or cart-style toppings pop up too, but the classic shrimp wonton is the city’s heart—simple, slurp-worthy perfection.

Hong Kong’s bakeries churn out irresistible bites—soft, fluffy char siu buns topped with a glossy, sugary crust, hiding sweet-savory barbecue pork; egg tarts with flaky shells cradling wobbly, golden custard; and pineapple buns (bolo bao) with a crackly, sugar-dusted top over a buttery roll, best slathered with melting butter. Grab them fresh from spots like Maxim’s, Tai Cheong, or Kam Wah Café—perfect for a quick snack, breakfast, or late-night hit. They’re sweet, savory, and pure bakery magic.

Dim sum is Hong Kong’s edible pulse—steaming baskets of dumplings and buns that flood tables from dawn to dusk. Har gow (shrimp dumplings) glisten through thin skins, siu mai burst with pork and roe, or sticky pork filling. Places like Tim Ho Wan or old-school Lin Heung Tea House keep the carts rolling; it’s a noisy, shared feast that’s pure Cantonese soul—don’t skip the custard tarts.

Roast goose struts out with crackling skin and tender meat, roasted till golden with five-spice and a honey glaze. Sliced over rice or noodles, it drips with fat and pairs with tart plum sauce—Sham Tseng’s Yue Kee serves slabs that haunt your taste buds. It’s richer than duck, a Hong Kong brag that turns any meal into a flex.

Hong Kong is easily accessible by air, rail, bus, or ferry from international and domestic locations within mainland China and beyond.

By Air

Hong Kong International Airport (HKG): The primary gateway, located ~40 km (24 miles) west of Centra. Serves international flights and domestic routes.

To City Center (Central/Kowloon):

Airport Express (MTR): 24 minutes to Central or 20 minutes to Kowloon. Operates ~5:50 AM–1:00 AM, every 10–12 minutes. Pay via Octopus card, contactless payment, QR code, or ticket machines (English interface).

Free shuttle buses from MTR stations to major hotels. 

Airport Buses: Routes like A11 (Central, ~50 minutes, HK$44) or A21 (Kowloon, ~45 minutes, HK$38) run 5:30 AM–midnight. Pay via Octopus, contactless cards, or cash (exact amount). 

Taxis: Red taxis to Central (HK$340–400, 30–45 minutes). Surcharges apply for luggage (HK$6/piece) and tolls (~HK$15). 

By Train

Hong Kong West Kowloon Station: The main hub for high-speed trains (G-series) on the Guangzhou-Shenzhen-Hong Kong Express Rail Link, connecting to Guangzhou (50–60 minutes), Shenzhen (15–20 minutes), Beijing (9 hours), and many other locations. 

To City Center: West Kowloon Station connects to MTR (Tung Chung or Tuen Ma Lines, ~15–20 minutes to Central/Kowloon). Taxis cost ~HK$80–120. 

By Bus

Key Bus Terminals: Cross-border buses from Mong Kok East or Tsim Sha Tsui connect to Shenzhen (1–1.5 hours), Guangzhou (2.5–3 hours), and other mainland cities via operators like China Travel Service (CTS). Trains are faster for mainland destinations; buses are more suitable for budget travelers.

By Ferry

Hong Kong-Zhuhai-Macau Bridge Port and China Ferry Terminal (Tsim Sha Tsui): High-speed ferries connect to Macau (~1 hour) and mainland cities like Zhuhai (~1 hour). 

To City Center: Sheung Wan and Tsim Sha Tsui terminals connect to the MTR.

Hong Kong’s public transportation is world-class, efficient, and tourist-friendly, with English signage and announcements throughout.

MTR (Subway): The Mass Transit Railway (MTR), with 12 lines, serves Hong Kong Island, Kowloon, the New Territories, and Lantau, covering all major attractions. Operates 5:30 AM–1:15 AM. 

Fares and Payment Options: Distance-based, HK$5–32. 

Octopus Card: Rechargeable, offers ~5% fare discount, valid for MTR, buses, trams, ferries, and some shops. Tap to enter/exit. 

Contactless Payment: Use Visa, Mastercard, UnionPay, Apple Pay, or Google Pay at gates. Same fares as Octopus, no discounts. 

QR Code: MTR Mobile app or AlipayHK QR code for ticketless travel (same fares). 

Single-Journey Ticket: ~HK$5–32, purchased at ticket machines (English interface, accepts cash/contactless payments). 

Buses: Operated by Kowloon Motor Bus (KMB), Citybus, and New World First Bus, over 600 routes cover all districts, including Victoria Peak (Bus 15) and Stanley Market (Bus 6X). Double-decker buses offer scenic views.

Fares: ~HK$5–40. Pay via Octopus, contactless cards, or cash (exact change). 

Use the KMB or Citybus app for route information; board at the front and alight at the rear.

Trams (Hong Kong Island): Iconic double-decker trams (“Ding Ding”) run along Hong Kong Island’s north shore, from Kennedy Town to Shau Kei Wan, serving Causeway Bay and Wan Chai. 

Fares: Flat rate of ~HK$3, payable via Octopus, contactless cards, or cash (exact change only, rear entrance). 

Slow but scenic; ideal for short hops in Central.

Ferries: Star Ferry connects Central/Tsim Sha Tsui (7–10 minutes, ~HK$4–5) with iconic Victoria Harbour views. Other ferries (e.g., to Lantau, Lamma) depart from Central Piers.

Fares: HK$2–15, payable via Octopus or cash.

Taxis: Color-coded taxis: red (urban, most areas), green (New Territories), blue (Lantau). Uber is available but less common. Carry cash for taxis; most accept Octopus, but international cards are rare.

Bicycles: Bike-sharing limited; rentals available at Lantau or Tai Po. Cycling paths in New Territories. Best for rural areas; urban cycling is challenging and dangerous due to traffic.

Hong Kong’s sprawl means where you stay shapes your trip—each district hums with its own rhythm. 

Tsim Sha Tsui—or TST—puts you smack against Victoria Harbour, where ferries churn and the skyline flickers after dark. Hotels here, from boutique digs to glassy towers, often frame that iconic view—waking up to it beats any alarm. The streets thrum with life: the promenade’s Symphony of Lights dazzles at 8 p.m., Harbour City’s endless shops tempt night owls, and stalls near Jordan Road sling steaming noodles till late. Kowloon Park’s a quick breather when the pace picks up, and the Star Ferry’s a hop away to Hong Kong Island. It’s a natural fit for young travelers craving nightlife or anyone hooked on waterfront energy—culture buffs get a kick from nearby museums too.

The Disneyland Area on Lantau Island is all about diving headfirst into the park’s orbit. Hotels here—like the Hollywood-themed one with its retro pool or the Explorer’s Lodge with its jungle vibe—keep the fairy-tale going, steps from the gates. After the fireworks fade, you’re not scrambling for a train; you’re already home, surrounded by themed gardens or character breakfast spots that light up kids’ faces. Beyond the rides, it’s quieter—less urban grit, more open sky. This is prime for families who want every minute soaked in Disney, or couples after a playful, low-stress retreat.

Central plants you in Hong Kong’s beating core—skyscrapers loom, trams rattle, and suits flood the streets by day. Hotels range from sleek high-rises with rooftop bars to tucked-away gems near Lan Kwai Fong, where the night ignites with clinking glasses and DJ beats. History weaves through too—colonial facades like the Old Dairy Farm Depot peek out amid the steel, and the Mid-Levels Escalator hums nearby for quick hops uphill. Dining’s a draw, from Michelin-starred spots to late-night congee joints. It suits those who thrive on urban buzz—young professionals, foodies, or history buffs keen to trace the city’s roots amid the glass.

Spring (March-April): Cool (20-25°C/68-77°F), clear—great for hiking and festivals like Rugby Sevens or Hong Kong Film Festival. Crowds build, so book early.

Autumn (October-November): Crisp (22-28°C/72-82°F), sunny—perfect for outdoor sights like The Peak. Peak season means higher rates, busier spots.

Summer’s sticky, typhoon-prone; winter’s damp but manageable if layered.

1. Prepare Your Entry Documents
Ensure you have a valid passport and a Hong Kong entry permit (visa-free for many Western countries; check gov.hk). Keep the immigration slip issued at entry, as hotels may request it. Use Hong Kong Immigration’s e-Channel online form for faster clearance.

2. Secure Mobile Data Access
Buy a local SIM (e.g., CSL, 3HK) at airports or 7-Eleven for data/calls, or pre-purchase a travel SIM online for convenience. Free WiFi is available at MTR stations, malls, and cafes like Pacific Coffee, but a SIM ensures reliable connectivity for navigation and bookings.

3. Carry HKD Cash and Cards
Visa, Mastercard, and AmEx are widely accepted, but small shops, markets, and taxis need Hong Kong dollars (HKD) cash. Carry small bills for street food or markets like Temple Street. Exchange at banks or exchange shops like Kin Shing or Ngau Kee for competitive rates; compare to avoid fees.

4. Use the Octopus Card for Transit
Buy an Octopus card at MTR stations or 7-Eleven for buses, MTR, ferries, and shops. Top up at stations, stores, or the Octopus app; Apple Pay or Google Pay also work for mobile Octopus. Cards save time, offer fare discounts, and are also accepted at convenience stores like Circle K.

5. Follow MTR Rules Strictly
Eating, drinking, or smoking is banned on Hong Kong’s MTR, and there are hefty fines for violating this rule. On the East Rail Line (to Shenzhen), avoid first-class cabins marked in pink unless you pay extra, as misuse can result in a fine. Stay quiet and keep your bags close during peak hours to respect commuters.

6. Board Buses and Trams Correctly
Wave to board buses and press the bell to exit; for trams (“ding-ding”), board at the back and exit at the front—queue at marked stops, paying via Octopus or exact cash, as no change is given.

7. Follow Local Trash Sorting Rules
Hong Kong’s strict littering rules impose steep fines. Public bins are scarce, so carry a small bag for waste. Sort recyclables (plastic, paper, metal) from general waste at designated bins in malls or hotels, following signs to comply with local regulations.

8. Respect Public Space Rules
Smoking, including e-cigarettes, is banned in Hong Kong’s indoor public areas and some outdoor spaces (e.g., parks), with steep fines. Wear seatbelts in taxis (front and back) and avoid jaywalking or running red lights to dodge penalties. Follow signs for orderly conduct.

9. Stay Safe in Busy Areas
Guard your valuables in crowded areas such as Mong Kok, Tsim Sha Tsui, or Temple Street to avoid pickpockets. Beware of scams, such as fake monks seeking donations or “free” product offers that lead to high-pressure sales. Stick to reputable vendors, avoid unsolicited offers, and travel in groups at night for safety.

10. Bring a UK Plug Adapter
Hong Kong uses UK-style Type G plugs (220V, 50Hz). Bring a travel adapter, as hotels may not provide them. Check device compatibility for high-power gadgets. Power banks are handy, as public charging stations are limited outside malls or MTR stations.

11. Pack Toiletries and Tissues
Many Hong Kong hotels skip disposable toiletries, such as toothbrushes and toothpaste, due to environmental regulations. Public restrooms may lack tissues, so carry a small pack. Wet wipes are useful for street food areas like Causeway Bay or outdoor markets.

12. Dress for Weather and AC
Hong Kong’s summer heat (Jun–Sep) requires sunscreen, hats, and sunglasses. Indoor AC in malls or restaurants can be chilly, so pack a thin jacket. Carry an umbrella for sudden rains, especially during typhoon season (May–Nov).

13. Use Uber or DiDi for Taxis
Book taxis via Uber or Hong Kong’s DiDi app for safe, transparent fares, especially in busy Central or Causeway Bay. Street taxis are reliable but may refuse short trips. Use Google Maps for English-friendly navigation of MTR stations or walking routes, as signage is bilingual.

14. Know Tipping Etiquette
Tipping isn’t expected in Hong Kong, as restaurants often add a 10% service charge. Leaving small change (HKD 5–10) for exceptional restaurant or taxi service is fine, but not required. Tip bellboys (HKD 10–20) or housekeeping (HKD 20/day) at hotels if desired, but it’s optional.

Hong Kong is a trilingual city, with Cantonese, Mandarin, and English serving as official languages.

Cantonese: Spoken by over 88% of residents, dominant in daily life, markets (e.g., Temple Street), and local eateries.

English: Widely used in tourist areas, hotels, restaurants, and attractions. Signage, menus, and MTR announcements are available in both English and Chinese

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WhatsApp: The go-to messaging app in Hong Kong, widely used for communication with locals, businesses, and tour operators.

Octopus: Official app for managing the Octopus card, Hong Kong’s contactless payment card for MTR, buses, trams, ferries, and shops. Check balances, top up via credit cards, and track transactions. 

AlipayHK: Hong Kong’s version of Alipay, a leading payment app for cashless transactions at restaurants, shops, and select transport (e.g., MTR QR code gates).

MTR Mobile: Official app for Hong Kong’s Mass Transit Railway (MTR), providing real-time schedules, station maps, fare calculators, and service alerts.

Citymapper: The most reliable navigation app for Hong Kong, offering detailed routes for MTR, buses, trams, ferries, and walking. Includes real-time traffic, fare estimates, and step-by-step directions. Superior to Google Maps for local transit accuracy. 

DiDi: Hong Kong’s top ride-hailing app, offering taxi and private car services with an English interface. Integrates with AlipayHK, WeChat Pay, or international credit cards.

Youdao Dictionary: A Chinese-English dictionary and translation app, useful for communicating with non-English-speaking taxi drivers or reading Cantonese menus. Includes offline OCR for scanning signs. 

OpenRice: Hong Kong’s leading food and restaurant app, offering reviews, menus, and booking options for dining spots from Michelin-starred restaurants to dai pai dongs (street food stalls). 

HK Taxi: English booking for red/green taxis.

SIM Cards: Available at Hong Kong International Airport (HKIA, Terminals 1–2, 24/7 kiosks near arrivals), 7-Eleven, or Circle K. Airalo eSIMs lack local numbers; Buy a CSL Tourist SIM with a +852 number.

Public Wi-Fi: “Wi-Fi.HK” hotspots (10,000+) cover tourist areas, malls, parks, and MTR stations. Some require registration via Wi-Fi.HK app or local number SMS verification code. Hotels and cafes offer reliable Wi-Fi with password access.

The official currency is the Hong Kong Dollar (HKD, HK$)

Cash:

Cash remains widely accepted.  
 
Currency Exchange: Exchange USD or other currencies at banks (e.g., HSBC, Bank of China, Hang Seng Bank) or licensed exchange counters in tourist areas. Avoid hotel exchanges or tourist-heavy money changers due to high commissions (~2–5%). Competitive rates are available at Chungking Mansions or World-Wide House.  
 
ATMs and Cash Withdrawals: ATMs are abundant at MTR stations, malls, 7-Eleven, and Circle K stores, with JETCO and HSBC networks being the largest. Most accept foreign cards (Visa, Mastercard, UnionPay; American Express is less common).  
 
Fees: Local ATM fees range from HK$0–30 (US$0–4) per withdrawal; HSBC and Standard Chartered may waive fees for partner banks. Foreign bank fees (1–3%) and currency conversion fees (~1–2%) may apply. Check with your bank. Always select HKD for transactions.  
 
Notify your bank of travel plans to prevent card blocks. 

Credit/Debit Cards: Visa, Mastercard, and UnionPay are widely accepted at hotels, upscale restaurants, major retailers, and tourist attractions. American Express is less common, accepted at high-end venues, but may incur surcharges (~2–3%).

Contactless payments (tap-and-go) are standard for transactions up to HK$1,000 without a signature.  
 
Digital Payments:

Hong Kong is transitioning to a cashless society, with digital payments becoming increasingly popular at major retailers, transportation hubs, and chain stores. The Octopus card remains dominant, but mobile wallets are gaining traction.  
 
Octopus Card: A rechargeable, contactless stored-value card used by 98% of locals for MTR, buses, trams, ferries, and payments at 7-Eleven, Circle K, McDonald’s, and supermarkets.  
 
Cost: Standard Octopus (HK$200: HK$150 credit + HK$50 refundable deposit). Maximum balance: HK$3,000.  
 
Top-Up: At MTR stations, convenience stores, or via the Octopus app with Visa/Mastercard/UnionPay. Cash top-ups at Add-Value machines (HK$50–500).  

Get a physical or mobile Octopus at the HKG airport for transport and small purchases. Link Apple Pay/Google Pay for contactless ease at larger stores.

Mobile Wallets: Apple Pay/Google Pay: Accepted at contactless terminals. Link Visa/Mastercard/UnionPay; biometric security. Growing in popularity but less common at markets or small eateries.  
 
AlipayHK/WeChat Pay HK: accepted by most. Link international Visa/Mastercard and complete the setup before your trip.