The rumors on TripAdvisor are true! Big John Scuba is awesome. Every single person who works here has a huge heart and truly cares about what they do and the guests they serve. I completed my PADI Open Water Certification with the instructor Mark Booth. He. Was. Amazing. A true-born dive instructor. Whenever I needed assistance with progressing through the... More

We took a day snorkeling trip with Big John, after a totally disgusting visit to Uncle Chang's to check out package sand pricing as the staffs were extremely rude. I really have to compliment the efforts the company made to make everyone welcome, they even brought out goreng pisang in between snorkeling trips for everyone to snack on. Big john... More

Me and my friend had such a great experience! Everyone made us feel very welcome and we instantly felt like we were a part of the Big John Scuba family! We stayed and did both Open Water and Advanced Open Water. Our instructor Mark Booth was absolutely amazing, guiding us with great knowledge and humor. The food, the diving, the... More

If I could give them a better grade than five I definately would! Me and my friend did our Open Water and AOW with Mark Booth as our instructor. He was an amazing instructor, the entire staff was making us feel so welcome, we felt like guests rather than customers. The food, the diving and the staff was absolutely great!... More

Did my open water diving license at Big John, the place was good, people with big hearts, food was awesome, instructor Mark 'Bugsy' Booth was truly inspiring and amazing!...impressed and would definitely come back for future dives.

At the light of my arrival, nervousness wrecked my mind as i enrolled for PADI at Big John Scuba, All fear and pain just vanished upon my encounter with the all round superb diving instructor Mr Mark Bugsy. His patience and guidance took me to new heights!. I successfully completed my PADI training with him and enjoyed my time diving... More

Good relaxing place. Did my open water license with big john scuba. (mark booth, best instructor ever!) not to forget friendly staff plus superb food.

I stayed for 3 days in dorm. Brilliant value. Staff all really friendly and helpful. Just turned up in semporna and got the morning boat. Beautiful place, and had loads of fun with the locals and staff, really made us feel welcome and at home there. Could have stayed for weeks. Food is all included and really good, breakfast lunch... More

My husband and I have been to Mabul 5 times since 2008 but this year is the first time we stayed with BJ and we are damn glad we did. Room is decent with fan and comfortable enough for us. Most importantly, it is clean. The staffs are friendly and helpful and are always greeting us with smiles on their... More