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I've written on the Maronites at length before.  As others have pointed out, of the Eastern Rites, they've always been the most "Romanized" ... for good, and now also for bad.  So, the changes they've implemented are mostly externals ... lay (female) readers, cantors, altar girls, altar in center, and Mass / Liturgy facing the people ... and a lot of their music is horrible.  With that said, their Sacraments are still valid, both Holy Orders and the others.  I knew a Maronite bishop in Cleveland and went to Confession to him once, and he gave me absolution using the full Traditional absolution form in Latin.  He didn't know at the time that I was Roman Rite.  Many Maronites studied in Rome.  They're a little bit less "standard" in that if you find a conservative or Traditional leaning Maronite, his Mass would very much resemble a Tridentine Rite Mass, whereas another might look externally closer to a NO clown Mass.  There was a Maronite priest in Chicago back in the 1980s who detested the modernizations, and was very friendly with SSPX, welcoming SSPX seminarians at his chapel there, and his Mass could have been mistaken for a Tridentine Latin Mass.  Thankfully, given their manner of distributing Holy Communion, you at least won't find Communion in the hand there.

As I said, they're valid, but you always have to be on the lookout for the occasional bi-ritual type or the transfer who had been ordained Novus Ordo (even Mitch Pacwa of EWTN does Maronite Liturgies, as does a former SSPX priest).

If it were my only or only reasonable option, I might go there to receive the Sacraments, perhaps float out in the vestibule until the Canon (Anaphora) to avoid the lay readers, etc.  They do still generally do the main consecration (essential form) in Aramaic, their traditional sacred language.

I have attended a Maronite parish for a few years.

The general attitude is no different from the Novus Ordo, regarding both clergy and lay people.

As far as I could, I have studied the rite, and, although it was somewhat modernized to mimic the Novus Ordo, it doesn't have any theologial problems. At least as far as I could tell.

A bit of it was in the vernacular, a bit was in the Arabic language, and a bit was in Aramaic, the language supposedly spoken by Our Lord as vernacular.

The sermons were sometimes good, but rubbish most of the time. Their formation is apparently very conciliar, so to speak.

One thing that really bothered me was that they venerated a lot of "new saints", as all of their sants were canonized after the council.

Regarding communion, they will give you communion of both the consecrated hosts and the consecrated wine, but it is rushed. They don't really give you a chance to kneel, so the risk of profanation exists.

Also, they will give communion in the hand if people ask for it. Sometimes there will even be two queues. One for the usual communion, and other for communion in the hand. At least when they give you communion in the hand, it is only the consecrated hosts and not the consecrated wine.

One big problem was also the bi-ritual priests. There was a particular Novus Ordo priest that had some Lebanese ancestry and became good friends with the Maronite priests. As time went by, he learned how to celebrate their liturgy, and now he is a regular celebrant there. So you do have the risk of invalid sacraments.

My advice is to go a couple of times and see how it is. They are usually welcoming people, the Lebanese.

The pastor was ordained by a Maronite bishop, so you're good. He is a former Episcopalian that was received directly into that rite.

Maronite convert leads city parish (southcoasttoday.com)

It's rather unfortunate that for such a large city, the liturgical options are awful.