All Boating Charters
- Aqua&Terra – Dhermi Boat Tours
- Aqua-Fun In South Florida
- AquaLife Charters
- AquaShores - Cobalt 45'
- AquaShores - Midnight 39'
- AquaShores – Azul 39'
- AquaShores – Cyan 32'
- AquaShores – Dodger 45'
- AquaShores – Steel 45'
- AquaVida Charters
- AquaViva
- AquaZil Adventures
- Aquaclear Kayak Club
- Aquaclear Kayak Club – Drone Photography
- Aquadventures Cozumel “Why Not?”
- Aquaholic
- Aquaholic Boat Charters - LAGUNA 1
- Aquaholic Boat Charters Malta – LAGUNA 2
- Aquaholic Speedboat Tours
- Aquaholics Florida
- Aquamarine Adventure Vlorë
- Aquanaut Adventures
- Aquarela Tours
- Aquarius Private Boat Tours – Sea Ray Sundeck
- Aquariva 33 – Athens Diamond Cruises
- Aquatic Adventures
- Aquatic Escapes – 234 Tournament
- Aquatic Escapes – Water Tours & Booze Cruises
- Aquatic Escapes – Water Tours & Booze Cruises
- Aquatic PR Boat Charter & Rent
- Aqui Há Mar – Sailboat Primus
- Araya Yacht
- Archipelago Charter Service AB
- Archipelagocruises and boat transfers
- Area 51 @Sea
- Arf Charters
- Argo III Skiathos Day Sailing
- Argo Lefkada Exclusive Cruises
- Aria Harbor Cruise
- Aria Ocean Breeze
- Aries Sport Fishing – El Padrino Yacht
- Aries Sport Fishing – Nirvana Yacht
- Aries Sport Fishing – Seaduction Yacht
- Arija Tours
- Arkos 647 WA
- Around Dubrovnik Boat
- Around Venice Tours – Classic Boat Tour
- Arpon Spearfishing
- Arriro Boat Experience
- Arriva
- Arrábida 4U
- Artemis Sailing Charters
- Artistic Angler Charters
- Aruba Premier Boat and Dive
- Aruba Xtreme Vibes
- Aruban Breeze Charters
- Arwood Marine Adventures - The Perfect Day!!!
- Arzella Boat Trips
- Aswan Nile Tour
- Atanazio’s Tours
- Athens Riviera Boating
- Athens Riviera – Pershing 70
- Athens Sailing – Lagoon 45
- Atlantia - Ultimate Luxury Charter
- Atlantic Adventure
- Atlantic Blue Charters
- Atlantida Punta Cana – Saxdor 320 GTO
- Atlantida Punta Cana – Scratchers FunCat
- Atlantida Punta Cana – Sea Ray Express Cruise
- Atlantida Punta Cana – Sea Ray Weekender
- Atlantis Charters
- Atlantis II – Ultimate SuperYacht Catamaran
- Atlantis Marine - Ferretti 430 Fly
- Atlantis Marine - Nordkapp Gran Coupe 905
- Atlantis Marine – Colnago Marine 35 HT
- Atlantis Marine – Colnago Marine 45
- Atlantis Water Fun
- Atoll Villa
- Attitude Adjustment Charters
- Attoyac Outfitters Boat Tours
- Aura Luxury Catamaran Charter
- Aurea Sea Experience
- Aurora
- Aurora Aleksandar
- Aurora Boat Tours
- Aurora Boats Budva
- Austria J&P – Sea Ray Sundancer
- Authentic Dubrovnik Cruise Since 1878
- Authentic Nature Tours
- Ava Boats
- Ava Outdoors
- Avangard Charter
- Avanti Yacht Rentals
- Avenger Charters
- Aventurea Charters
- Avgerinos Travel Experience – Speedboat KATE
- Avian
- Awesome Adventures Boat Charters
- Awesome Adventures!
- Axiom Yachting Hvar – 33’ Wings