Drinking tap water in Budapest is very safe. The safety is provided by the Budapest Waterworks and even exceeds European standards. The clean water from the tap is not just safe drinking water, it also tastes good. 

Everything: Bazar: 

https://maps.app.goo.gl/WnErZcGtzgeLgP399

Address: Budapest, Gutenberg tér 4, 1088

https://maps.app.goo.gl/QcWNZCDXw6jyvLYV9

Deli:

https://maps.app.goo.gl/FrZ1Y5hH9n7VY2kr7

Address:

https://maps.app.goo.gl/FrZ1Y5hH9n7VY2kr7

• Vaj Breakfast:

https://maps.app.goo.gl/9eLD2zRdfap2ntna8

• Anton Breakfast:

https://maps.app.goo.gl/GrDnpccfBkctsnXn6

• Vietnamese:

https://maps.app.goo.gl/WzvUNQJ8vasBeCja6

• Pizza:

Basilisco

https://maps.app.goo.gl/4HCnszbfAzGYMNpHA

Moto Pizza

https://maps.app.goo.gl/TUSUQWfWrtPfNeC4A

• Central EU style:

Jaromir Czech Restaurant

Good beer, nice food

https://maps.app.goo.gl/N98M9aGgH5iYVzD87

• Hungarian style Restaurants:

Alma és Körte:

https://maps.app.goo.gl/F72SxxiCBragFMtA9

Gulash Place (Getto Gulyas):

https://www.facebook.com/gettogulyas/?locale=hu_HU

Address:

Wesselényi utca 18., Budapest, Hungary

Google map:

https://maps.app.goo.gl/1WWU4KAuSXDdVunN6

Beerstro14 Steak House Restaurant

https://www.beerstro14.hu/

Address:

Budapest, Károlyi utca 12, 1053

Google map:

https://maps.app.goo.gl/U8MmBQZmSa6bskq18

Stex House Restaurant:

https://www.stexhaz.hu/

Budapest, József krt. 55-57, 1085

Google map:

https://maps.app.goo.gl/cBoJPuSD88xsaxJHA

Pozsonyi restaurant:

https://pozsonyi-kisvendeglo.eatbu.com/?lang=hu

Address:

Budapest, Radnóti Miklós u. 38, 1137

Google map:

https://maps.app.goo.gl/RirtWEaE1YAnuJpS6

Csíki Söröző & Étterem

http://www.csikisorozonyugati.hu/

Address:

Budapest, Bajcsy-Zsilinszky út 74, 1054

Google map:

https://maps.app.goo.gl/G2CY9JNxoQirshaV6

and many more awesome restaurants if you search on google maps...enjoy

Nr1 Fitness Rákóczi 24/7

https://maps.app.goo.gl/xeBtfBrdDy65tsBa7

Address:

Budapest, József krt. 35, 1085

Register online, buy ticket online, no reception desk

• Hungarian National Museum 

https://maps.app.goo.gl/uJNBrjp7oEUcGXHW8

• Programs with children, OPEN THE BELOW LINK:

https://docs.google.com/document/d/1-gjOFP29spB4F9HHBOc718a4F5ij4QCi

WOLT

https://play.google.com/store/apps/details?id=com.wolt.android&pcampaignid=web_share

FOODora

https://play.google.com/store/apps/details?id=hu.viala.newiapp

BOLT

https://play.google.com/store/apps/details?id=ee.mtakso.client&pcampaignid=web_share

FŐTAXI

https://play.google.com/store/apps/details?id=com.nerddevelopments.taxidriver.orderapp&pcampaignid=web_share

Public Transportation app, validate the ticket via your phone QR code before boarding the bus, train, metro, or anything else:

https://play.google.com/store/apps/details?id=hu.webvalto.bkkfutar&pcampaignid=web_share

• Pub Crawl: https://pubcrawlbudapest.hu/

Recommend to get to know people, bars and party places. You get to know fellow tourists in the city while exploring bars in the 7th district. (you can also make reservations up front, or just show up)

• Instant - Name of a party place in Budapest

It can get very crowded. So arrive early.

https://instant-fogas.com/

• La Siesta, Friendly place to party, much recommended

https://lasiestaclub.hu/

https://maps.app.goo.gl/eEKg6GZZN436EFhF9

• Szimpla Kert

It can get very crowded. So arrive early.

https://szimpla.hu/

• Gozsdu Udvar

Street with many bars and party places

https://www.gozsduudvar.hu/

• Ötkert

Party place

https://otkert.hu/en

• Doboz

https://doboz.co.hu/

• Morrisons

Very local, fewer tourists

https://www.morrisons2.hu/

• Akvárium

https://akvariumklub.hu/en/

• Fröccsterasz:

https://froccsterasz.hu/en/

• Pontoon (SUMMER)

https://www.facebook.com/pontoonbudapest/

https://maps.app.goo.gl/pXHZaw6SxX7dPets5

• Budapest Park (SUMMER)

Almost only locals, hungarians, but very authentic party place

with concerts

https://www.budapestpark.hu/en?

and many more if you search the web... have fun