The Seaworld Explorer is a boat with a difference: a semi-submarine whose lower hull is built with large windows, so passengers sit below the waterline and watch the reef drift by while staying dry. There is no wetsuit, no mask and no swimming required, which makes it one of the most accessible ways to see Curaçao underwater. It is a short cruise rather than a full-day outing, and it is built for everyone from toddlers to grandparents. The vessel is separate from the Sea Aquarium observatory on the other side of Willemstad. Here you travel out over real reef, with a guide pointing out fish, coral and, depending on the route, a sunken wreck. It has a rating of about 4.6 out of 5 from more than forty reviews, and it is one of the least expensive paid activities on the island, which is why it suits families with a budget and travelers who want an easy hour at sea.
What you see
Through the underwater windows you watch parrotfish, sergeant majors, angelfish and other reef residents, and with luck a turtle or a ray. Visibility is generally good around the island, because the dry climate means little runoff, but it varies with wind and swell.
Seats on the lower deck have the best views, and the upper deck lets you enjoy the sea breeze and the coastline. The cruise is gentle, so it works for people who get nervous on small boats, although anyone prone to seasickness should still take tablets on a windy day.
Who it suits
Young children, older travelers and anyone with limited mobility will get the most from it, and it is an easy add-on for families who want one thing that everyone can enjoy together. It is not a substitute for snorkeling if you want to swim with turtles, but it is a good rehearsal for children who are not yet confident in the water. Bring a camera that can handle glass reflections, a light cover-up and sun protection for the upper deck, and arrive a few minutes early so you can choose seats.
Planning
Confirm the departure point and the length of the cruise when you reserve, since details can change between seasons and operators sometimes adjust routes for the sea conditions. The trip can be done on a morning or afternoon when you have no tour booked, and it combines easily with a beach or a lunch near the water.
If you also plan to visit the Sea Aquarium, treat the two as different experiences, one fixed at the shore with shows and the other a moving boat over the open reef. Prices are low, and group sizes can be large on cruise-ship days, so go early if you want the best seats.
What to expect
The experience
A guided cruise in a semi-submarine with windows below the waterline, so you see the reef without getting wet.
Best time
Morning cruises usually have calmer water and better visibility; go early on busy cruise-ship days for the best seats.
How long
Roughly an hour, but confirm the cruise length and departure point when you reserve.
Tips
Take seasickness tablets if you are prone, bring sun protection for the upper deck and choose a lower-deck seat for the views.
Quick picks
- Best for
- Families, older travelers and anyone who wants to see the reef without swimming.
- Families
- Excellent for young children and grandparents; no swimming or mask skills needed.
- Couples
- A relaxed, low-effort hour on the water when you do not want a full-day trip.
- Pair with
- The Sea Aquarium, a beach afternoon or a Willemstad lunch.
- Time needed
- About an hour plus travel.
Good questions
Do I get wet on the Seaworld Explorer?+
No. You sit below the waterline behind large windows, so you stay dry and do not need swimming skills.
Is it different from the Sea Aquarium observatory?+
Yes. The aquarium observatory is fixed at the shore. The Seaworld Explorer is a moving boat that cruises over real reef.
What marine life will I see?+
Typically reef fish such as parrotfish and angelfish, and sometimes turtles or rays, depending on the day and the route.
Is it suitable for young children?+
Very much so. The windows and gentle cruise suit children, and no mask or swimming is needed.
How long is the cruise?+
It is a short cruise of around an hour. Confirm the length and the departure point when you reserve.
