Guests seated on the red upper deck of the Semi-Sub Seychelles vessel with the Eden Island bridge and Mahé mountains behind

Marine Experiences

Semi-Submarine Expedition

Eden Island, Mahé, Seychelles 1 hourMon · Tue · Wed · Thu · Fri · Sat
Check availability

Duration

1 hour

Operating days

Mon – Tue – Wed – Thu – Fri – Sat

Departures (24-hour)

10:00, 11:00, 12:00, 14:00, 15:00, 16:00

Capacity

Up to 12 guests

Overview

Discover the underwater world of the Seychelles without getting wet. Our semi-submarine expedition takes you beneath the surface in a comfortable, air-conditioned underwater observatory with panoramic windows, offering close-up views of coral reefs, tropical fish and other marine life around Mahé.

Highlights

  • Underwater observatory with panoramic viewing windows
  • Coral reefs and tropical marine life of Mahé
  • Ideal for non-swimmers, families and young children
  • Fully guided commentary by an experienced crew

Photo gallery

Authentic photographs taken aboard the vessel — no stock imagery.

What's included

  • Semi-submarine expedition cruise
  • Professional crew and on-board commentary
  • All safety equipment

Not included

  • Hotel transfers (available as an optional extra)
  • Food and beverages
  • Personal expenses

What to bring

  • Booking voucher, printed or on your phone
  • Passport or identification
  • Sun protection, including a hat and sunscreen
  • Camera
  • Light jacket for the sea breeze

Meeting & boarding

Meeting point: Semi-Sub Seychelles, Eden Island, Mahé, Seychelles. Please report to the Semi-Sub Seychelles office no later than 30 minutes before departure for check-in and boarding preparation.

Safety information

Pending operator confirmation

Accessibility

Pending operator confirmation

Cancellation & refunds

Pending operator confirmation

Frequently asked questions

Do I need to know how to swim?

No. The semi-submarine remains at the surface and guests view the reef from the underwater observatory.

Is the expedition suitable for young children?

Yes — the observatory is fully enclosed and ideal for families. Children must be accompanied by an adult.

Request availability

Send an enquiry — we confirm availability with the operator before issuing your quotation. No payment is taken at this stage.

Step 1 of 4 — Experience

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To continue, please complete: preferred date, departure time, lead guest name and 3 more.

Your bookingEUR 110.00
Experience
Marine experience
Date
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Guests
2

Your current booking total

EUR 110.00

This total remains stable unless you change your selection.

1. Choose your date & departure

Operates Monday to Saturday. Sundays are unavailable. Each departure lasts 1 hour. All times are shown in 24-hour format.

Maximum 12 passengers per departure, including infants.

2. Who is travelling

Adults

Aged 12+ · EUR 55.00 each

2

Children

Aged Child: 2–11 years (accompanied by an adult) · EUR 50.00 each

0

Infants

Under 2 years · Free of charge

0

3. Who is booking, and lead guest details

Who is making this booking?

Booker / experience contact

Who should receive booking communications?

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The participant details below are collected separately — the person making this experience is only included when they are travelling too.

Estimated price

Adults (12+) × 2EUR 110.00
Estimated totalEUR 110.00

Infants under 2 travel free but count towards the 12-passenger capacity.

Important information
  • Tour duration: approximately 55 minutes, advertised as one hour.
  • Departure point: Eden Island, Mahé.
  • Please arrive 30 minutes before your departure time.
  • Free Wi-Fi and a 10% discount at Semi-Sub Café are available on your tour date.
  • Suitable for pregnant women, infants, elderly guests and ambulatory wheelchair users.
  • No food or drinks are served onboard.
Cancellation policy
  • 100% refund when the trip is cancelled because of bad weather or force majeure.
  • 50% refund for guest cancellations made less than 24 hours before departure.
  • A 100% refund may be approved for medical emergencies or another valid documented reason.
  • Rescheduling does not attract a penalty, including when requested less than 24 hours before departure.

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