Institute of Oceanography, Nha Trang

Institute of Oceanography tickets and prices

An adult ticket is 40,000 VND — about the price of a coffee. Students pay 20,000 VND, school pupils 10,000 VND, and children under 6 get in free. These are the museum's official fares.

Parking at the gate is 4,000 VND for a scooter, 15,000 VND for a car with fewer than 7 seats and 20,000 VND for a bigger one. The English version of the museum website lists a guide at 60,000 VND per tour; the Vietnamese version just says to ask, so check at the desk. Without a guide, the main highlights are easy to find on your own.

Bring cash in Vietnamese dong. Card payment at the ticket desk isn't something we could confirm, and with an amount this small, cash is simply easier. Grab rides there can be paid in cash or with a linked foreign card.

Opening hours

The museum is open every day from 6:00 to 18:00, with no weekly closing day. That early start is a real bonus: in the first hours the halls are cool and quiet, while tour groups tend to come later. One older guide gives split hours with a lunch break, but the museum's own website says 6:00–18:00 daily, and that is what we show.

What to see inside

• The main aquarium halls — over 300 species: reef fish, lionfish, moray eels, seahorses, soft corals and horseshoe crabs.
• The big pools with sea turtles, sharks and rays.
• The humpback whale skeleton, 18 m long and 10 tonnes, dug out of the Red River delta where it lay buried for more than 200 years — the photo everyone takes.
• A dugong skeleton and a preserved manta ray of nearly a tonne with a 5 m wingspan.
• The marine biodiversity hall — thousands of specimens in jars, from sponges, corals and molluscs to crabs, sea urchins and fish. Rarities include a sturgeon, a king crab, a 145 kg giant clam and a spotted seal.
• The hillside tunnel, dug by the French in the 1930s and now fitted with tanks and a domed shark pool.
• A smaller hall on Vietnamese fishing gear and artificial reefs, for anyone curious about life on the coast.

How long do you need?

1–1.5 hours is enough: half an hour for the tanks and pools, another half for the skeletons and collection halls. If you read every label and photograph every fish, allow two. With kids it usually comes to about an hour — the turtle and shark pools hold their attention longest.

Including the ride from the centre it's an easy half day. It pairs well with a morning walk along the seafront or a boat trip from Cau Da port next door.

Is the Institute of Oceanography worth visiting?

Yes, if you love the sea, travel with children or want to see a genuine scientific collection for pocket change. In an hour you get a good sense of what lives in the South China Sea, and the whale skeleton impresses adults too.

The YesGo take: this is not an entertainment aquarium, and much of it feels old-school — modest tanks, specimen jars, simple labels. Come expecting shows and slick tunnels and you'll be let down. Come for the marine life itself and it's well worth it, especially early before the groups. On a rainy day it's one of the best indoor options in Nha Trang.

What the Institute of Oceanography is

The Institute of Oceanography is a state research centre that has studied the sea since 1922. It was set up under French rule as the fisheries and oceanography service of Indochina and is now part of the Vietnam Academy of Science and Technology — scientists still work here.

Travellers come for its Museum of Oceanography (Bảo tàng Hải dương học), which grew out of the research collection. The aquarium opened to visitors in 1938, and by 1941 it had 23 tanks. The cream building with brown shutters on a rise at the southern end of Tran Phu street, at Số 1 Cầu Đá, is the institute's landmark.

The new Mysterious Ocean hall at Hon Chong

The museum has a second site on Hon Chong hill in northern Nha Trang, about 8 km from the main building. The “Đại dương kỳ bí” (Mysterious Ocean) hall opened there on 2 September 2025, laid out by depth from the surface down to 6,000 m, with specimens and models of deep-sea life.

We couldn't find official hours or prices for that site, so call the museum before you go. If you're visiting the Hon Chong rocks, it's worth asking whether the hall is open that day.

Nha Trang by the water: compare and choose

Places in Nha Trang by and about the sea, rated by YesGo. Tap a column heading to sort.

How to do it right

• Arrive at the 6:00 opening or before 9:00: it's cooler and the halls are empty.
• Don't tap on the tank glass or put your hands in the pools — it stresses the animals.
• Start with the turtle and shark pools if you have kids, before they get tired.
• Walk a couple of minutes to Cau Da port afterwards — island boats leave from there.
• Combine the museum with Tram Huong Tower and Dam Market on the way back into town.

Questions