🔄 Updated 21 Jun 2026
When you take little kids to the beach, the two things you worry about most are strong waves and harsh midday sun. Rayong handles both well: several mainland beaches slope gently with calm water, and there are indoor options like the aquarium to duck out of the heat at noon. This plan keeps day one light so everyone can settle in, sends you out to Koh Samet on day two, then leaves the last day for souvenirs before you head home.
Plan before you go
- Best season — Nov–Apr brings clear water and small waves, the best time to let kids swim. During the rainy season the surf picks up, so always check the beach warning flags.
- Getting around — A private car is by far the easiest for families with a car seat and a lot of kids' gear. From Bangkok it's about a 3-hour drive via the motorway to Rayong town.
- Where to stay — Base yourself around Mae Ramphueng Beach or Ban Phe to be close to both the aquarium and the pier for Koh Samet, which cuts down the kids' time in the car.
- What to pack — Kids' sunscreen, hats, swim rings, non-slip water shoes, and a spare set of clothes in case they get soaked.
🎟️Book the activities in your Rayong trip ahead
Booking online ahead on Klook or GetYourGuide is usually cheaper than the gate and skips the queue. Pick only the experiences you actually want — prices and availability are shown live on each site.
🎟️ See all Rayong tours & activities (Klook) The 3-day, 2-night plan
Day 1
Arrive in Rayong · aquarium · easy evening on the beach
11:00
Arrive in the Ban Phe area, check in or drop your bags firstLeaving Bangkok in the morning gets you here mid-morning, before the kids get cranky
12:00
Lunch at a seafood spot around Ban PheOrder something mild for the kids, like steamed sea bass with soy sauce or a crab omelette
13:30
Visit the Rayong Aquarium and watch the sea fish in the air-conditioningOpen Wed–Fri 10:00–16:00 · Sat–Sun/holidays 10:00–17:00 · closed Mon–Tue · adults 30 THB, kids under 15 are 10 THB, kids under 120 cm tall are free
15:30
Head back so the kids can nap, then hit Mae Ramphueng Beach in the softer afternoon lightPlay in the sand in the evening when the sun isn't strong; there are restrooms and showers along the beach
18:00
Catch the sunset by the shore and have dinner at a beachfront restaurantPlenty of places have tables right on the sand, so the kids can run around while the food comes
Day 2
Koh Samet · shallow water at Sai Kaew Beach
08:30
Go to Ban Phe pier, park the car, and take the boat to Koh SametParking is around 50 THB/day · the regular ferry is 70 THB each way, about 30 min · a speedboat is 200 THB each way, about 10 min · kids aged 0–5 ride free
09:30
Arrive on the island, pay the park entry, and head straight to Sai Kaew BeachIsland entry is 40 THB for Thai nationals, free for kids and seniors 60 and over · Sai Kaew has fine white sand, clear water, and few rocks, which makes it great for kids to wade into
10:00
Swim and play in the sand at Sai Kaew BeachPick a spot where the water is shallow and the waves are gentle, put sunscreen on the kids before they go in, and have them drink water often to beat the heat
12:30
Break for lunch at a beachfront restaurant and get out of the worst of the midday sunAvoid swimming from 12:00–15:00 when the sun is strongest, and let the kids rest in the shade
15:30
Get back in the water in the late afternoon, or stroll over to the next bayAo Phai just next door is also clear and swimmable, and quieter than Sai Kaew
17:00
Take the boat back to Ban Phe pier before eveningHeading back before dark makes it easier to carry the kids on and off the boat, and leaves time in case there's a line for the ferry
Day 3
Tung Prong Thong · souvenirs at Ban Phe Market
09:00
Go to Tung Prong Thong at Pak Nam Prasae and walk the boardwalk through the mangrovesOpen daily 06:00–18:00, free entry · parking 20 THB · the boardwalk is an easy walk, a stroller can manage some stretches, and the wetland looks best from 11:00–15:00
11:00
Grab lunch in the Pak Nam Prasae community or head back to Ban PheFresh seafood at friendly prices; kids can have fish rice porridge or steamed egg
13:00
Wander Ban Phe Market and pick up dried seafood souvenirsThe market is open roughly 09:00–16:00, with dried shrimp, dried squid, fish sauce, and snacks to take home before you leave
14:30
Hit the road homeLeaving in the early afternoon gets you back to Bangkok before evening and ahead of the rush-hour traffic
Tips for bringing kids to Rayong
The aquarium is closed Monday–Tuesday, so if your trip lands on the start of the week, swap in the indoor activity on a day it's open — or do Ban Phe Market instead and save the aquarium for a day it's actually running.
Why Rayong works for little kids
Getting thereClose, short drive
About 3 hours from Bangkok, so the kids aren't stuck in the car long enough to melt down, with easy gas-station bathroom stops along the way
SafetyGentle, shallow beaches
Mae Ramphueng and Sai Kaew are easy to wade into with few rocks, though you should still watch the warning flags when the surf is up
IndoorIndoor options too
The air-conditioned aquarium is there to escape the midday sun, so you can alternate with outdoor time instead of baking all day
One thing worth saying plainly: weekends and long holidays get very crowded, both the boats to Koh Samet and Sai Kaew Beach itself. If you can go on a weekday, it's a lot more relaxed — shorter ferry lines and less packed sand, which is much easier when you're watching small kids.
Looking for a family-friendly place to stay near the beach and the pier? See the options we've picked out.
See 10 Rayong hotels → 