Glass windows, crystal water, zero wet hair. From Marmaris, you ride a semi-submarine that lets you watch fish and plants underwater while you stay mostly dry, then you trade the windows for swims in turquoise coves.

I really like the combo of glass-bottom underwater viewing and onboard comfort. You get air-conditioned indoor spaces when the sun gets too much, plus plenty of sun beds up top between swim stops.

One thing to weigh: to actually get into the water, you’ll use ladders and the steps can drop you into deeper water than you expect. If you want to stay fully dry, you can still enjoy the boat, but the swimming stops won’t be for everyone.

Key things you’ll enjoy most

• Glass-bottom underwater viewing from a purpose-built section so you can see fish and plants without getting wet
• Four swim bays in a single day, including Aquarium Bay, Kadirga Bay, Green Sea Bay, and Paradise Island Bay
• A roomy upper deck with sun beds and shaded options, plus air-conditioned indoor areas
• Included lunch served onboard with several choices, so you’re not stuck buying food
• Real value for families thanks to provided life jackets and easy ladder access

Getting to the Atatürk Statue and Board the Boat in Marmaris

Your easiest mental landmark is the Atatürk statue in the center of Marmaris. The meeting point is very close—about 100 meters ahead on the way to the marina.

If you’re coming by taxi, tell the driver it’s opposite the district governor’s office. That phrasing tends to work fast when you’re dealing with busy streets and multiple pickup points.

Once you find the spot, the rest is straightforward: you’ll get on board and start the day out at sea. This is the kind of tour where the start matters less than your mindset. Come ready for a full, comfortable day—swim breaks, underwater viewing, and lunch—without needing to plan any separate transport.

Semi-Submarine Time: Watching Fish Through the Glass

The star of this trip is the underwater viewing. The boat has a glass-bottom section where you can look down at fish, submerged plants, and underwater features without committing to snorkeling right away.

You’ll also get that classic semi-sub experience: the underwater portion feels like a floating viewing room. Several stops include moments where the team helps make the underwater scene easier to see—like fish gathering around where they feed them. It’s a great way to get that wow factor quickly, even if you’re not the strongest swimmer.

The other big win is comfort. Indoor areas—restaurant, changing areas, toilets, corridors, and the underwater viewing room—are air conditioned. So if the sun is blasting, you can retreat, cool off, and then return to the windows or the deck.

Tip I’d follow: go to the glass-bottom section early in the day. Light and timing can make the views nicer, and you’re less likely to feel rushed.

The Four Swim Bays: Aquarium Bay, Kadirga Bay, Green Sea Bay, Paradise Island Bay

This is not a one-and-done swim stop. The day is built around multiple chances to jump in, and the timing gives you real time to enjoy each place.

Aquarium Bay

This is one of the first bays where you’ll get swimming time. Think calm, clear water and the kind of scenery that makes you want to linger on the ladder steps, towel half-spread, deciding if you’re going in now or in five minutes.

Kadirga Bay

Expect another turquoise setting and a change of scenery so it doesn’t feel repetitive. This is also where you’ll appreciate that you can float, swim, or just watch from the boat depending on your comfort level.

Green Sea Bay

The name says it all: the water tends to look strikingly green-tinted in bright sun. If you’re bringing a snorkel or simply want to explore with your eyes, this kind of bay is where the underwater viewing value really pays off—because the surface swim starts to feel like an extension of what you saw earlier.

Paradise Island Bay

Your last big swim stop. The practical upside of the order: by the time you reach this one, you’ve learned the rhythm of getting in and out, and you know how long you personally need to swim before you’re ready for a break.

Across all the bays, the boat provides life jackets for people who want extra support, including kids. The ladders are set up for boarding back on, and that matters because it lets you spend more of your time swimming and less of it worrying about logistics.

Upper Deck Reality: Sun Beds, Shade Options, and Sea Views

Between swims, the upper deck is where you’ll watch the coastline and soak up the day. The boat has sun beds in abundance, and you can choose your vibe: full sun, part shade, or a spot that’s more comfortable when the weather flips hot.

A lot of people love that you can move between levels—indoors when you want AC, out on deck when you want light and breeze. It turns the day from a “tour” into something closer to a relaxed sea day with structure.

If you want a good seat—especially near friends or family—arrive early enough to pick your preferred sun area. The day can get busy on the boat, and if you hesitate, you may end up with a less ideal arrangement.

Lunch on Board: Meatballs or Chicken, Rice, Salad, and 4 Common Choices

Lunch is included, and it’s served onboard after you’ve had time to settle in. You’re looking at a simple, filling meal: meatballs or chicken with rice and salad, plus other sides.

In practice, the lunch menu can include choices like chicken fillet, nuggets, schnitzel, and meatballs (kofte-style). It’s typically served with a combination of salad, sauce, rice, and mashed potatoes.

Is it gourmet? No. But for $34-ish value and the fact you’re on the water all day, it’s more than “just food.” It means you don’t have to hunt for lunch in town or worry about where you’ll sit while eating.

One fair note: there isn’t a clearly stated veggie option. If you or someone in your group is vegetarian, you might find the lunch a bit limited, so plan around it.

What to Bring (and What You’ll Want On Swim Stops)

You don’t need a full snorkeling kit, but a few basics matter if you want the swims to feel easy.

Bring:

• Sunglasses
• Swimwear
• A towel
• Sunscreen

Towels aren’t included, and drinks and ice cream are extra, so pack smart. Also, some swim areas can be rocky. If you plan to explore a bit off the ladder, snorkel and water shoes can make a big difference. You can also buy a snorkel onboard if you forget yours, though it’s cheaper if you bring your own.

Water can feel chilly at first—especially if the bay starts cool. That’s normal. Give yourself a minute, use the ladder support, and once you’re in, the swims tend to feel great.

Safety and Getting Back On: Ladders, Life Jackets, and Mobility

This tour is built for people who want a sea day, not a fitness test. Still, it does require some mobility for the water access.

Entry and exit happen via ladders, and you should know they can reach deeper water than you might expect. If your group includes people with limited mobility, discuss it before you go so expectations are clear.

The good news: life jackets are provided, including for kids, and staff are there to help. The boat also has changing spaces and toilets, which makes the whole day more comfortable than the usual “just swim, hope for the best” approach.

If you’re traveling with elders or kids, this tour can work well because the ramps/ladders are the system they rely on—not random rocks. Just be honest about who can climb back up comfortably.

Price and Value: What You Pay for at $34 and What Costs Extra

At around $34 per person, you’re paying for more than a ride. You’re getting:

• the underwater glass-bottom cruise
• lunch included
• sun bed access

That’s the real value equation. You’re essentially buying a full sea-day package: views, swimming time, and food—all without needing extra transportation.

What’s extra:

• drinks
• ice cream
• and items like towels (not included) or a snorkel you didn’t bring

The onboard pricing for drinks and snacks is described as reasonable by many people, so it doesn’t feel like a trap. Still, it’s smart to bring enough cash or card for water, soda, and any extras you want.

My practical take: this is worth it if you’ll actually use the swim stops. If you’re only going to watch from the deck, it can feel like you paid for someone else’s swimming day.

Who This Semi-Submarine Day Trip Is Best For

This trip fits best if you want a relaxed day that mixes sea views and water time.

You’ll likely love it if:

• you’re traveling with kids or mixed ages
• you want underwater views but aren’t committed to snorkeling
• you like the idea of multiple swim breaks rather than one long stop

It may not be ideal if:

• nobody in your group can comfortably climb the ladder back on board
• you’re hoping for fully hands-off swimming with no deep-water risk
• you need a clearly vegetarian lunch option

Should You Book This Marmaris Glass-Bottom Day Trip?

If you want a simple, good-value way to see the underwater world near Marmaris and still get time to swim, I’d book it. The combination of dry glass-bottom viewing, multiple turquoise bays, and lunch included makes it feel like a true sea-day, not a rushed sightseeing stop.

I’d personally double-check your group’s comfort with ladder entry and deeper water before you commit. If that part works, this is one of those tours that makes your day feel longer—in the best way.

FAQ

What does the tour cost and what’s included?

The price is $34 per person, and the ticket includes the underwater cruise, lunch, and sun bed use. Drinks and ice cream are not included.

How long is the day trip from Marmaris?

It’s listed as a 1-day experience.

What underwater viewing options do I get?

You’ll cruise in a glass-bottom semi-sub style setup, so you can see fish and submerged plants through the underwater windows while staying dry.

Which swimming areas are visited?

Swim stops include Aquarium Bay, Kadirga Bay, Green Sea Bay, and Paradise Island Bay.

Is lunch included, and what kind of food is served?

Yes, lunch is included and commonly includes meatballs or chicken with rice and salad. You may also be offered other lunch choices such as schnitzel or nuggets.

What should I bring for the swim stops?

Bring sunglasses, swimwear, a towel, and sunscreen.

Are there extra items I may need to pay for onboard?

Yes. Drinks, ice cream, and towels are not included. A snorkel can also be purchased onboard if you don’t bring one.

Where is the meeting point in Marmaris?

It’s very close to the Atatürk statue in the center of Marmaris, about 100 meters ahead on the way to the marina. By taxi, tell the driver opposite the district governor’s office.