diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0c85fc820..da61dd9c44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ NOTE: As semantic versioning states all 0.y.z releases can contain breaking chan
 We use *breaking :warning:* to mark changes that are not backward compatible (relates only to v0.y.z releases.)
 
 ## Unreleased
+- [#4970](https://github.com/thanos-io/thanos/pull/4970) Added a new flag `exclude-delete` to `tools bucket ls`, which excludes blocks marked for deletion.
 
 ### Added
 
diff --git a/cmd/thanos/tools_bucket.go b/cmd/thanos/tools_bucket.go
index b605b03b24..8e979db2d4 100644
--- a/cmd/thanos/tools_bucket.go
+++ b/cmd/thanos/tools_bucket.go
@@ -107,7 +107,8 @@ type bucketVerifyConfig struct {
 }
 
 type bucketLsConfig struct {
-	output string
+	output        string
+	excludeDelete bool
 }
 
 type bucketWebConfig struct {
@@ -168,6 +169,8 @@ func (tbc *bucketVerifyConfig) registerBucketVerifyFlag(cmd extkingpin.FlagClaus
 func (tbc *bucketLsConfig) registerBucketLsFlag(cmd extkingpin.FlagClause) *bucketLsConfig {
 	cmd.Flag("output", "Optional format in which to print each block's information. Options are 'json', 'wide' or a custom template.").
 		Short('o').Default("").StringVar(&tbc.output)
+	cmd.Flag("exclude-delete", "Exclude blocks marked for deletion.").
+		Default("false").BoolVar(&tbc.excludeDelete)
 	return tbc
 }
 
@@ -377,7 +380,13 @@ func registerBucketLs(app extkingpin.AppClause, objStoreConfig *extflag.PathOrCo
 			return err
 		}
 
-		fetcher, err := block.NewMetaFetcher(logger, block.FetcherConcurrency, bkt, "", extprom.WrapRegistererWithPrefix(extpromPrefix, reg), nil, nil)
+		var filters []block.MetadataFilter
+
+		if tbc.excludeDelete {
+			ignoreDeletionMarkFilter := block.NewIgnoreDeletionMarkFilter(logger, bkt, 0, block.FetcherConcurrency)
+			filters = append(filters, ignoreDeletionMarkFilter)
+		}
+		fetcher, err := block.NewMetaFetcher(logger, block.FetcherConcurrency, bkt, "", extprom.WrapRegistererWithPrefix(extpromPrefix, reg), filters, nil)
 		if err != nil {
 			return err
 		}
diff --git a/docs/components/tools.md b/docs/components/tools.md
index fe4f42b632..a5d33606d6 100644
--- a/docs/components/tools.md
+++ b/docs/components/tools.md
@@ -402,6 +402,7 @@ usage: thanos tools bucket ls [<flags>]
 List all blocks in the bucket.
 
 Flags:
+      --exclude-delete     Exclude blocks marked for deletion.
   -h, --help               Show context-sensitive help (also try --help-long and
                            --help-man).
       --log.format=logfmt  Log format to use. Possible options: logfmt or json.