5 Family Boat Trips on Mar Menor to Book This May 2026

The assumption most families make about Mar Menor boat trips is that they're a summer thing. Book from July, maybe June at a push, and leave the spring months for beach walks and tapas. That assumption costs people a genuinely good week on the water, because May on this lagoon is different from what most visitors expect.

The Mar Menor isn't the sea. It's a saltwater lagoon, separated from the Mediterranean by the 22-kilometre sandbar of La Manga. That closed, calm environment means water temperatures climb earlier than the open coast, conditions stay gentler, and by May you're looking at swimming-temperature water without the August crowds. For families in particular, it changes the calculation entirely.

Five Boat Trips Worth Booking This May

Glass-Bottom Boat Tour from Santiago de la Ribera

The common dismissal here is that glass-bottom boats are overpriced tourist gimmicks. On most of the Mediterranean coast, that's arguably fair. On the Mar Menor, it isn't.

The lagoon has recovering seagrass beds, a real population of seahorses, stingrays gliding along the sandy bottom, and regular sightings of mullet and sea bass. The transparency of the water in May, before the summer algae builds, is as good as it gets. Tours from Santiago de la Ribera run around €10-15 per adult (less for children) and last between 45 minutes and an hour. Santiago is ten minutes from Roda Golf by car, which makes this one of the easiest possible family outings from the resort. Morning departures around 10-11am have the best visibility. Afternoon slots still work in May because the water hasn't warmed enough to cloud up the way it does in August.

Self-Hire Electric Boat, Los Alcazares

The myth here is that hiring a boat requires a licence, sailing experience, or at least some vague competence on the water. Below a certain engine size, Spanish law doesn't require a boating licence, and the small electric boats available for hire at Los Alcazares fall comfortably into that category. They're slow, stable, and on a lagoon that averages seven metres deep, they're practically impossible to turn into a disaster.

Hire companies in Los Alcazares offer these by the hour, typically for two to four hours. You get a brief rundown on how they work, a map of the lagoon with the sensible zones marked, and off you go. For families who'd rather be in charge of their own experience than on a scheduled tour, this is the better option. Los Alcazares itself has a proper seafront paseo, good chiringuitos, and a beach that in May still has breathing room.

Catamaran Day Trip from La Manga

People often assume La Manga catamaran trips are adult-only affairs. Sunset cocktail cruises for couples. Some are. But the family-friendly catamaran day trips that include swimming stops and snorkelling are a completely different offering, and May is when they start running properly.

These typically run three to four hours, include stops in the calmer waters between the La Manga strip and the inner lagoon, and are genuinely well-suited to children aged seven or eight and up. Prices vary by operator but expect somewhere in the €30-45 per adult range with a meaningful discount for children. Check with operators directly when you arrive because May schedules tend to be confirmed closer to the season. The drive from Roda to La Manga is about 25 minutes, with most catamaran trips leaving from the marina at the southern end of the strip.

Guided Kayak Tour of the Inner Lagoon

This one surprises people who assume kayaking means choppy open water and a lot of effort. The Mar Menor in May is about as benign a kayaking environment as you'll find anywhere. Guided tours depart from various points around the lagoon and typically cover the sandbanks on the La Manga side, where the lagoon narrows and shallow water over white sand turns a proper turquoise. The seagrass visible below is part of the lagoon's slow ecological recovery, and guides who know the area well will point out what lives in it.

These trips work well for families with children aged about eight and up who have basic fitness and don't mind getting wet. Most operators provide stable sit-on-top kayaks rather than sea kayaks, which are far more forgiving. A two-hour guided tour gives a completely different perspective on the lagoon to anything you'd see from a larger boat.

Pedalo Hire at Playa de la Concha, Lo Pagán

The most relaxed option, and the one most often overlooked. Lo Pagán is at the northern end of the Mar Menor, known primarily for its salt flats and the pink lake that takes on its flamingo colour in late spring. What gets less attention is the beach itself, Playa de la Concha, which has excellent pedalo hire and water so shallow and calm it's ideal for very young children.

A pedalo for two adults and two children costs around €15-20 for 30-45 minutes. You're not covering vast distances, but that's not the point. Lo Pagán is also where people come to take the therapeutic mud baths on the beach, which makes for an entertainingly chaotic family afternoon if you pair the pedalo with the mud. The seafront has several decent spots for lunch, and it's a straightforward 20-minute drive from Roda Golf.

What to Know Before You Book

A few things hold true across all of these. May weather around the Mar Menor is generally stable but not guaranteed, and trips are weather-dependent. If the Levante wind picks up (the easterly that funnels through the La Manga gap), conditions can turn choppy quickly. Most operators won't take boats out in those conditions, so it's worth keeping a backup day in your plans rather than booking your only free afternoon for a boat trip.

Advance booking is less critical in May than in July, but for the catamaran trips it's worth reaching out ahead of time. For glass-bottom tours and pedalo hire, showing up and sorting it on the day is usually fine.

The Mar Menor area guide covers the geography of the lagoon and where the main towns sit relative to each other, which helps when you're working out which departure point makes most sense from your base. If you're staying in one of the holiday rentals near Roda Golf, Santiago de la Ribera and Los Alcazares are both under 15 minutes away, putting most of these trips within easy reach. For more ideas on what to do with the family around the lagoon, the family activity posts on the blog cover a lot of ground, or get in touch if you'd like specific recommendations based on your group's ages and interests.