Shell Key Preserve Dolphin Watching and Island Sunset Cruise

Dolphins, shells and a bridge that looks like a cathedral

An evening dolphin-watching cruise on a 45ft catamaran along Shell Key Preserve, with stops to hunt shells on the beach and view the Pinellas Bayway Bridge's distinctive tunnel effect on the return. The tour runs 2.5 hours with a live English-speaking guide, on-board bar and restroom, and suits all fitness levels.

Step-by-step itinerary

Dolphin watching and island sunset cruise

• Depart from St. Petersburg waterfront
• Pass historic Gulf Port community
• Pass under Pinellas Bayway Bridge
• Arrive at Shell Key Preserve
• Explore beach and hunt for shells
• Watch sunset over Gulf of Mexico
• Return trip with photo stop at bridge

The experience

The catamaran leaves the Intracoastal and heads out along Shell Key Preserve, where dolphins often surface in the shallows. The route passes St. Petersburg's historic Gulf Port waterfront with sailboats moored offshore, then takes you under several bridges. The Pinellas Bayway Bridge, recently constructed, creates what the operator calls an "infinity of Cathedrals" tunnel effect when you look to either side from underneath: worth the camera work on the way back.

At Shell Key, you get off the boat and walk the beach at sunset. Some people hunt for shells. Others just watch the light change over the Gulf of Mexico. There's no fixed schedule for how long you stay: the crew manages the timing so the whole evening fits inside 2.5 hours and you're back before dark.

The boat carries a bar on board and a restroom, so you're not managing those logistics yourself. The guide speaks English and knows where dolphins tend to show up and what you're seeing as you pass under each bridge. Infants sit on an adult's lap. Service animals are welcome.

What’s included

• A live English-speaking guide.
• on-board bar with drinks.
• restroom on board.

Before you book

Days and timesFriday and SaturdayDepartures at 16:30 and 17:30

AgesAdult (13 and older) · Child (3 to 12 years) · Infant (under 3): free

GroupUp to 25

Live guideEnglish

Meeting point and pickupNo hotel pickup: you go to the meeting point. Ends back at the starting point.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated today

Good to know

Low physical effortPets welcomeInfants must sit on laps

Operated by Coastal Cruises

Is this one for you?Book this cruise if you want to hunt shells on an actual beach at sunset rather than stay on the boat the whole time. The stop at Shell Key is the heart of the evening, and the dolphin watching and bridge views frame it on either end.

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Top questions

Can children come?

Yes. Ticket types: Child (3 to 12 years); Infant (under 3): free.

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

How often do you actually see dolphins on this cruise?

Dolphins are common along Shell Key Preserve, and the route is specifically designed to pass through areas where they feed and surface. The guide will point them out when they appear, though sightings depend on the time of day and season.

What's the Pinellas Bayway Bridge tunnel effect actually like?

The Pinellas Bayway Bridge has a distinctive cathedral-like appearance when you pass underneath it: the arches and structure create a tunnel effect on both sides. It's a recent construction and a notable photo spot on the return trip.

Do I have time to collect shells at Shell Key, or is it just a quick stop?

You get off the boat at Shell Key and have time to walk the beach and hunt for shells while watching the sunset. The crew times the stop so the whole evening stays within 2.5 hours and you return before dark.

Is there food on the boat, or just drinks at the bar?

The bar on board serves drinks. The tour does not include food, so if you want to eat, plan before or after the cruise.

Can I bring my own drinks or alcohol on board?

Outside alcohol is not permitted on the catamaran. The bar on board handles beverages during the cruise.