Explore Summer helps you find programs based on what actually matters to you: interests, location, dates, grade, budget, and more.
The programs below match the starting criteria All these programs match the starting criteria Marine biology, outside the US, and grades 6–12.Refine these results further (e.g. by dates, length, budget, etc.) or start a different search.
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6th–12th grade
95 programs to compare
90 updated for 2027 · 5 pending
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Wilderness & AdventureMarine ScienceApplication
Island School - Summer Term
The Island School
Dates:
Jun 20 – Aug 1, 2027
Length:
6 weeks
Cost:
$19,100
Location:
Cape Eleuthera, South Eleuthera, The Bahamas
Grades:
Rising Sophomores-Seniors (completed grades 9–11)
Format:
Residential
Deadline:
Due January 15, 2027
Six-week, field-based residential program combining Marine Ecology and Human Ecology coursework, connecting students to the natural and cultural landscape of South Eleuthera through fieldwork alongside scientists at the Cape Eleuthera Institute, including scuba-diving-based coral reef study.
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$6,700
Location:
Athens, Greece
Grades:
Current grades 9-12
Format:
Group Housing
Deadline:
Jan 20, 2027
12 hours of service-learning: coastal dune restoration work with local NGOs on Aegina island. Water quality assessment, snorkeling, and tide pool exploration. Excursions to Cape Sounion (Temple of Poseidon) and Vouliagmeni Beach.
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$5,800
Location:
Cape Town, South Africa
Grades:
Current grades 9-12
Format:
Group Housing
Deadline:
Jan 20, 2027
12 hours of service-learning including a citizen-science snorkeling research project with Cape RADD and an artistic beach-cleanup/repurposing project; fieldwork observing African penguins in False Bay. Behind-the-scenes visit to the Two Oceans Aquarium, a Cape Floristic Region field trip, and a safari.
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$6,200
Location:
Lisbon, Portugal
Grades:
Current grades 9-12
Format:
Residential (Homestay)
Deadline:
Jan 20, 2027
12 hours of service-learning working with local NGOs on coastal dune preservation and plastics awareness, plus fieldwork including birdwatching at a coastal lagoon, snorkeling in a marine park, river kayaking, dolphin observation, and intertidal monitoring at Avencas Beach.
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$5,150
Location:
Merida, Mexico
Grades:
Current grades 9-12
Format:
Residential (Homestay)
Deadline:
Jan 20, 2027
Fieldwork-based program studying mangroves, cenotes, and coastal lagoons with local ecologists; 12 hours of service-learning working with NGOs on beach conservation. Overnight trips to Ría Lagartos Biosphere Reserve (flamingos) and El Palmar State Ecological Reserve (mangrove kayaking).
Marine Ecology & Sustainability (Palma de Mallorca)
CIEE
Dates:
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$6,500
Location:
Palma de Mallorca, Spain
Grades:
Current grades 9-12
Format:
Residential (Homestay)
Deadline:
Jan 20, 2027
Fieldwork with local ecologists conducting species inventories and habitat monitoring, plus swimming, snorkeling, kayaking, paddleboarding; overnight trip to Cabrera National Park and a Tramuntana mountains hike.
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$5,100
Location:
San Juan, Puerto Rico
Grades:
Current grades 9-12
Format:
Group Housing
Deadline:
Jan 20, 2027
12 hours of service-learning on a group sustainability project focused on preserving Puerto Rico's marine ecosystems; visits to the Submerged Gardens marine reserve and a coral-gardening conservation project. Excursions to the bioluminescent Laguna Grande and El Yunque rainforest (including ziplining).
Marine Ecology & Sustainability en Espanol (Palma de Mallorca)
CIEE
Dates:
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$6,525
Location:
Palma de Mallorca, Spain
Grades:
Current grades 9-12
Format:
Residential (Homestay)
Deadline:
Jan 20, 2027
Spanish-taught version of the Palma marine ecology program. Gated by a STAMP 4S test (Intermediate-Mid minimum), completed Spanish Level 3+ (or qualifying oral interview).
2 sessions between Jun 16–Jul 28, 2027 (3 weeks options)
Length:
3 weeks
Cost:
$6,900
Location:
Sydney, Australia
Grades:
Current grades 9-12
Format:
Group Housing
Deadline:
Jan 20, 2027
Field research across marine, coastal, and bushland ecosystems with a local conservationist guide; includes snorkeling at Cabbage Tree Aquatic Reserve, a Blue Mountains excursion, and a traditional Aboriginal Bushtucker Tour.
Global & LanguageWilderness & AdventureMarine ScienceApplication
Panama: Rainforests, Reefs & Communities
The Experiment in International Living
Dates:
Jul 1–20, 2027
Length:
20 days
Cost:
$6,600–$7,600
Location:
Panama
Grades:
Completed 9th-12th grade (not yet in college)
Format:
Residential
Deadline:
Feb 15, 2027
Three-week program in Panama exploring cloud forests, coral reefs, and city life: hiking highland trails, snorkeling in the Caribbean, and living with local families while learning how communities balance conservation with daily life.
Three-week program in Ecuador combining the Mindo Cloud Forest, a weeklong Andean homestay with community service, and six days in the Galápagos snorkeling, hiking, and visiting the Charles Darwin Research Station.
6 sessions between Jun 17–Aug 9, 2027 (7 days options)
Length:
7 days
Cost:
$3,580
Location:
St. Martin + St. Barths, Caribbean
Grades:
Completing grades 9-12
Format:
Residential
Entry-level liveaboard week combining scuba and sailing; PADI Scuba Diver or Advanced Open Water certification plus one sailing certification available. No experience required.
Marine conservation and optional PADI Open Water scuba certification on a private island; students not already certified earn their PADI during the trip (certification/eLearning fees additional). Intra-trip flight from Belize City to Placencia is required.
3 sessions between Jun 29–Aug 3, 2027 (8 days options)
Length:
8 days
Cost:
$2,795
Location:
Belize City, the Maya Mountains, and Caye Caulker
Ages:
14-18 (completed grades 8–12)
Format:
Group Housing
~22 hours of community service split between rainforest fieldwork at the T.R.E.E.S. research base (wildlife studies, bird banding with mist nets, camera-trap tracking, Kriol drumming) and marine exploration on Caye Caulker (snorkeling Hol Chan Marine Reserve and Shark Ray Alley, an Ocean Academy student exchange). Includes a stop at the Altun Ha Maya archaeological site. Max 18 students.
Costa Rica (Camaronal Wildlife Refuge & Puerto Carrillo, Nicoya Peninsula)
Grades:
Completing grades 9-11
Format:
Residential
8-day sea turtle conservation program on Costa Rica's Pacific coast with 20 service hours at Camaronal Wildlife Refuge - night nesting patrols, hatchery work, and hatchling releases - plus surf lessons and ziplining.
5 sessions between Jun 12–Aug 7, 2027 (9 days options)
Length:
9 days
Cost:
$3,599
Location:
Costa Rica
Ages:
14-18 (completed grades 8–11)
Format:
Residential
Residential program in Costa Rica. Students spend the session on hands-on service or learning, with cultural excursions and adventure activities. Sea turtle conservation-focused theme within the same Beachside program.
5 sessions between Jun 15–Aug 7, 2027 (10 days options)
Length:
10 days
Cost:
$4,870
Location:
British Virgin Islands
Ages:
12-18 (completed grades 6–12)
Format:
Residential
10-day introduction to sailing and scuba. No experience necessary. IYT Try Sailing plus PADI Discover Scuba or two sport dives. 12 students and 3 staff per boat, sailing with the wider fleet.
Marine biology and coral reef conservation program on a private Caribbean island; includes PADI Open Water or Advanced Open Water SCUBA certification, lionfish removal, and a visit to Xunantunich Mayan ruins.
Conservation Volunteer Work in Mexico for Teenagers
Projects Abroad
Dates:
Jul 25–Aug 7, 2027
Length:
2 weeks (14 days)
Cost:
$3,370
Location:
La Peñita de Jaltemba, Mexico
Ages:
15-18 (completed grades 9–12)
Format:
Residential
2-week fully supervised Projects Abroad high school program — Conservation Volunteer Work in Mexico — based in La Peñita de Jaltemba, Mexico, with structured project work, social events, and sightseeing, staying in a guesthouse.
5 sessions between Jun 5–Aug 15, 2027 (14 days options)
Length:
14 days
Cost:
$6,495
Location:
British Virgin Islands (Leeward Islands for some advanced/older tracks)
Ages:
12-18 (completed grades 6–12)
Format:
Residential (live-aboard)
Core 2-week sailing and watersports program. No experience necessary; students are grouped by age and grade aboard the boat. Includes wakeboarding, waterskiing, snorkeling, paddleboarding, kayaking, and windsurfing alongside sailing instruction, with optional ASA sailing certification available as a challenge-course option.
Indonesia: Conservation & Culture in the World's Largest Archipelago
Where There Be Dragons
Dates:
June 28 - July 25, 2027 (single session)
Length:
4 weeks
Cost:
$8,970
Location:
Yogyakarta, Dieng Plateau, Wakatobi (Sulawesi)
Ages:
16-18 (completed grades 10–12)
Format:
Residential
Credit:
Optional 1 course (COLS 191, CTE 191, or CTE 292)
Described by the provider as one of its most adventurous and diverse Asia programs: a Yogyakarta homestay with mentored apprenticeships (batik, gamelan, martial arts), the 7th-8th century Hindu temple complex and geothermal lakes of the Dieng Plateau, and a final stretch in Wakatobi living with the Bajau 'sea nomad' community in stilted homes over open water, snorkeling coral reefs and learning from marine conservationists.
