A glass-bottom boat trip is a gentle alternative to the standard party boat. The vessel has a viewing window set into the hull, usually reached by a few steps below deck, through which you watch the clear water of the bay slide past: sea grass beds, boulders, shoals of small fish and occasionally larger species. The trip runs for most of the day, with swim stops in quiet coves, lunch served on board and time on deck to watch the coast. Because the focus is on looking rather than partying, it suits families with young children, older travellers, people who prefer not to swim in open water and anyone who simply likes sea life. The glass panel keeps non-swimmers part of the experience, which is unusual on a day boat, and the crew generally keeps the music low.
What you will actually see depends on the stops and the day. In calm, clear water near rocky shores you can often see fish at ten metres or more, and sea urchins and sea grass are visible near the bottom. Do not expect a coral reef; this is the Mediterranean coast, with its own quieter wildlife. Bring a pair of snorkelling goggles if you like to swim, since the swim stops are the best place to see fish up close, and many operators lend or rent masks.
Compared with the standard bay trip, the glass-bottom boat has a slower, quieter atmosphere. It is a sensible choice for a first trip with small children, who can look through the glass from a safe seat, and for travellers with limited mobility, although the steps down to the viewing area should be checked with the operator. As with other boat trips, hotel pick-up is often offered, lunch is on board, and the schedule follows the sea conditions.
Season
The boats run from about April to October, and the water is clearest in calm weather outside the busiest summer weeks. Take sun cream, a hat, a towel and water shoes. If you can only do one boat trip and you want swimming and parties, pick the all-inclusive bay boat; if you want to look, learn and relax, choose the glass-bottom boat. It also pairs well with a dive day, since a trip over the same kind of water shows non-divers what the divers are seeing.
The quality of the view depends heavily on the sea. Calm, sunny mornings give the clearest water, while a wind or an overcast sky can make the window look cloudy. Ask the crew when the best viewing is likely, as they often tell you to look when the boat slows over a rocky area. Children enjoy spotting fish and counting them, which turns the cruise into a game.
Take a few snacks and refillable water bottles, as the crossing between stops can be long. Older travellers appreciate the seating, the shade and the lack of pressure to join in. If you get tired, there is always a quiet corner on deck to rest, read or simply watch the coast, which makes this one of the most forgiving ways to spend a long day at sea.
What to expect
The experience
A full-day boat trip with a glass viewing panel, swim stops and lunch on board.
Best time
Calm, clear days from May to September.
How long
Roughly six to seven hours.
Tips
Bring goggles, sun cream and a hat, and ask about the steps to the viewing area if mobility is an issue.
Quick picks
- Best for
- Families with young children and travellers who prefer not to swim.
- Families
- A calm, low-noise boat where children can look through the glass.
- Couples
- Relaxed rather than romantic; choose a smaller gulet for more atmosphere.
- Pair with
- A dive or snorkel day and the old town walk.
- Time needed
- A full day.
Good questions
What can I see through the glass?+
Sea grass, rocks and fish in clear shallow water. It is not a coral reef, but calm days give good visibility.
Is it good for non-swimmers?+
Yes, the glass panel lets non-swimmers join in. Swim stops are optional.
Is lunch included?+
Lunch is served on board. Check what drinks are included when you book.
Is it suitable for small children?+
Generally yes; the viewing panel keeps them entertained. Confirm lifejacket arrangements with the operator.
When does it run?+
Mainly from April to October, depending on weather.